Seiko 7B24 Manual
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Seiko 7B24 Manual

Solar-drive and radio-controlled watch
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ThankyouverymuchforchoosingaSEIKOwatch.
ForproperandsafeuseofyourSEIKOwatch,
pleasereadcarefullytheinstructionsinthis
Keepthismanualhandyforeasyreference.
* L engthadjustmentserviceformetallicbandsisavailableatthe
retailerfromwhomthewatchwaspurchasedorSEIKOCUSTOMER
SERVICECENTER.
  T heservicemayalsobeavailableonachargeablebasisatother
retailers,however,someretailersmaynotundertaketheservice.
bookletbeforeusing.

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Summary of Contents for Seiko 7B24

  • Page 1 ThankyouverymuchforchoosingaSEIKOwatch. ForproperandsafeuseofyourSEIKOwatch, pleasereadcarefullytheinstructionsinthis bookletbeforeusing. Keepthismanualhandyforeasyreference. * L engthadjustmentserviceformetallicbandsisavailableatthe retailerfromwhomthewatchwaspurchasedorSEIKOCUSTOMER SERVICECENTER.   T heservicemayalsobeavailableonachargeablebasisatother retailers,however,someretailersmaynotundertaketheservice.

  • Page 2: Table Of Contents

    Contents 1.AboutThisProduct 　　Aboutreceptionconditions……… 96 　Handingcautions……………………… 84 　　Radiosignalreceptionrange：InJapan(JJY)…… 96 　Features ………………………………… 86 　　Radiosignalreceptionrange：InChina(BPC) … 97 　Displayandbuttonoperation ……… 88 　　Radiosignalreceptionrange:IntheUnitedStates(WWVB) … 98 　HowtouseButtonB ………………… 90 　　Toenablethewatchtoeasilyreceivearadiosignal … 99 　Crown …………………………………… 91 　　Environmentsinwhichitisdifficulttoreceivearadiosignal …100 2.BeforeUse 　Howtocheckthereceptionstatus …102 　Beforeuse ……………………………… 92 　　Howtodisplaythereceptionresult …102 　　Checkingthechargingstatus…… 92 4.TimeZoneAdjustmentFunction(Selectingtransmittingstation) 　　Checkingthetimeanddate ……...
  • Page 3 5.SolarChargingFunction 　　Guarantee ……………………………132 　　After-salesservice ………………134 　Aboutcharging ………………………110 　　Howtochargethewatch ………110 7.Troubleshooting 　　Theindicationtimeforchargingthewatch …111 　Howtoconductmanualreception(Receivingaradiosignalmanually) …136 　Aboutenergy …………………………112 　Conditionsinwhichthewatchmaybeunabletoreceiveradiosignals …138 　　Energydepletionforewarningfunction …112 　　Howtomanuallysetthetime …138 　　Powersavefunction ………………113 　　Howtomanuallysetthedate …140 6.ToPreservetheQualityofYourWatch 　Preliminaryposition …………………142 　Topreservethequalityofyourwatch …114 　　Thingsaroundyouwhichgeneratemagnetism …143 　　Dailycare ……………………………114 　Howtosetthepreliminaryposition …144 　　Performanceandtype ……………115 　　Settingthepreliminarypositionofthedate …144 　　Waterresistance …………………116 　　Setti n gtheprel i m i n aryposi t i o nsofthehourandmi n utehandsmanual l y  …146...

  • Page 4: HandingCautions

    Handlingcautions WARNING To indicate the risks of serious consequences such as severe injuries unless the followingsafetyregulationsarestrictlyobserved. ・Immediatelystopwearingthewatchinfollowingcases.  ○ Ifthewatchbodyorbandbecomesedgedbycorrosionetc.  ○ Ifthepinsprotrudefromtheband.  ※ImmediatelyconsulttheretailerfromwhomthewatchwaspurchasedorSEIKOCUSTOMERSERVICECENTER. ・Keepthewatchandaccessoriesoutofthereachofbabiesandchildren. Careshouldbetakentopreventababyorachildaccidentallyswallowingtheaccessories.  Ifababyorchildswallowsthebatteryoraccessories,immediatelyconsultadoctor,asitwillbeharmfultothehealthofthebabyorchild. ※ImmediatelyconsulttheretailerfromwhomthewatchwaspurchasedorSEIKOCUSTOMERSERVICECENTER.
  • Page 5 CAUTIONS To indicate the risks of light injuries or material damages unless the following safety regulationsarestrictlyobserved. ・Avoidthefollowingplacesforwearingorkeepingthewatch. 　○ Placeswherevolatileagents （cosmeticssuchaspolishremover,bugrepellent,thinnersetc.） arevaporizing 　○ Placeswherethetemperaturedropsbelow5℃orrisesabove35℃foralongtime ○ Placesofhighhumidity 　○ Placesaffectedbystrongmagnetismorstaticelectricity ○ Dustyplaces 　○ Placesaffectedbystrongvibrations ・Ifyouobserveanyallergicsymptomsorskinirritation Stopwearingthewatchimmediatelyandconsultaspecialistsuchasadermatologistoranallergist ・Othercautions  ○ Donotdisassembleortamperwiththewatch.  ○ Keepthewatchoutofthereachofbabiesandchildren.   Extracareshouldbetakentoavoidrisksofanyinjuryorallergicrashoritchingthatmaybecausedwhentheytouchthewatch.

  • Page 6: Features

    Features Thissolar-driveandradio-controlledwatchisequippedwitharadiosignaladjustmentfunction. ・  T hewatchisoperatedbyusing“electricenergy”whichisconvertedfromthelightreceivedbythesolarpanel. ・  T hiswatchdisplaystheprecisetimebyreceivingradiosignalsconveyingtimeinformation.Itcanreceiveofficialstandardfrequencies fromJapan(fromeitheroftwotransmittingstations),thePeople'sRepublicofChina,andtheUnitedStatesofAmerica. ■ RadioSignalReceivingFunction･････････････････････････  T hiswatchadjuststhetimeandthedatepreciselybyautomatically →pages94–101 receivingradiosignalsdaily.  I n addition, radio signals can be forcibly received with manual operation.  T hiswatchcanreceiveofficialstandardradiosignals　fromJapan (from2transmittingstations),China,andtheUnitedStates(the transmittingstationforreceivingradiosignalscanbeselectedusing thetimezoneadjustmentfunction). ■ DisplayFunctionofRadioSignalReceptionLevel ･ ･･････  T he movement of the second hand indicates the radio signal →page137 receptionlevelduringradiosignalreceptionattempts.
  • Page 7 ■ TimeZoneAdjustmentFunction… This watch can display local time around the world by 　(SelectingTransmittingStation) setting the appropriate time zone.  In addition, setting 　→ pages104-109 the time zone enables the watch to receive official standard radio signals to set the time if the watch is worninaradiosignalreceptionrange.

  • Page 8: DisplayAndButtonOperation

    Displayandbuttonoperation ButtonA 【Receptionresultconfirmation】→ page102 Minutehand 【Manualreception】→ page136 【Timezoneadjustment】→ page106 【Manualtimeanddatesetting】→ page138 Hourhand Crown Firstclick 【Manualdatesettingmode】→ page140 Secondhand Secondclick 【Manualtimesettingmode】→ page138 012 ※ I n case of a screw lock type crown, when the crown is unlocked, it is at the 0-click Date position.
  • Page 9 ReceptionLevelDisplay ReceptionResultDisplay 【Confirmationof 【automaticreceptionand manualreception】 receptionresult】 H･･･  H ighreceptionlevel Y･･･ R eceptionSuccessful   （50secondposition） 　　 （10secondposition） L･･･  L owreceptionlevel N･･･ R eceptionFailed   （40secondposition） 　　 （20secondposition） N･･･  U nabletoreceive ※ " Confirmreceptionresult" radiosignals refertopage102  （20secondposition） ※ "...

  • Page 10: HowToUseButtonB

    HowtouseButtonB ButtonBisrecessedinthewatchcasetopreventaccidentalinput. Typesofbuttonsdifferdependingonthedesignofthewatch UpperhalfofButtonBiscovered. ButtonBiscoveredexceptthe ButtonBisrecessedinthewatchcase. hollowinthemiddleofthebutton. ButtonBisrecessedinthewatchcase. Press the lower half of Button B or press the hollow in the P r e s s  t h e  h o l l o w  u s i n g  a n Press the hollow in the middle middle of the button using an objectwithalongtaperedtip.

  • Page 11: Crown

    Crown Therearetwotypesofcrowns,anormalcrownandascrew-lockcrown. Checkthecrownonyourwatch. Normalcrown Turnthe Thecrown crown Pulloutthecrownandoperateit. turns. clockwise. Screw-locktypecrown The crown Unlockthecrownbeforeoperatingit. Afteroperating doesnot thecrown,lockit. Unscrew turn. Whilepressing thecrown Screw ※Ifyourwatchhasascrew-lockcrown,thecrownscrewsintothewatchtopreventmalfunctionandincreasewaterresistance. ※Becarefulnottoscrewthecrowninbyforceasitmaydamagetheslotsofthecrown.

  • Page 12: BeforeUse

    Beforeuse Checkingthechargingstatus Whenthemovementofthesecondhandshowsanenergydepletionstate,thebatteryrequirescharging. Thesecondhandmoves Thewatchis sufficientlycharged. atone-secondintervals. Thesecondhandmoves attwo-secondintervals. Theenergydepletion Asthechargedenergyisrunning forewarningfunctionis out,chargethebatteryfully. activated. → page112 Thesecondhandmoves Howto atfive-secondintervals. chargethe Thepowersavefunction Checkthemovementsofthesecondhand battery→ isactivated.→ page113 afterreleasingthePowerSavemode page110 Thesecondhand isstopped. Thewatchcompletely Asthechargedenergyisdepleted, stopsoperating. chargethebatteryfully. ※Ifthesecondhanddoesnotmoveatone-secondintervalsevenafterfullychargingthebattery→AtTroubleonpage150...

  • Page 13: CheckingTheTimeAndDate

    Checkingthetimeanddate ※ T hehandsofthiswatchcannotbemovedbyturningthecrown.Sowhen adjustingthetime,refertothefollowingpagesregardingtheprocedures. Whenthetimeand Usethewatch datearecorrect withoutadjustment. Whentheradio Settingthetimeanddate Howtosetthetime signalcanbe byreceivingaradiosignal zone→page106 received →page94 Whenthe ※ W hensetting Radiosignalreceptionrangeindication →pages96-98 timeand atimezonefor Environmentsinwhichitisdifficulttoreceivearadiosignal →page100 dateare regionsotherthan Tokyo(Japan), incorrect theradiosignal Whenaradio Manuallysetthe receptionfunction signalcannot timeanddate willnotwork. bereceived →pages138-141 ※ W henthewatchisnotdisplayingtheprecisetimeanddateevenaftersuccessfullyreceivingaradiosignal→Inthis case,refertoMisalignmentofthetimeandhandsonpage152andMisalignmentofthedateon　page154.

  • Page 14: SettingTheTimeAndDateByReceivingARadioSignal

    Settingthetimeanddatebyreceivingaradiosignal ■Mechanismofradiosignalreception The radio-controlled watch displays the precise time and date by automatically receiving andsynchronizingitselfwiththeradiosignalofanofficialstandardfrequency. Transmitting Radio-controlledwatch Station Receiveradiosignals throughtheantenna insidethewatch Officialstandard ↓ frequency Analyzetime Cesium information AtomicClock ↓ Displaythecurrent time,dateandday Time signal transmitted by a standard frequency is based on a super accurate "Cesium AtomicClock"thatmayhavea1secondlossorgainperonehundredthousandyears.

  • Page 15: AutomaticReceptionAndManualReception

    ■Automaticreceptionandmanualreception Thiswatchsetsthetimeanddatebyautomaticallyreceivingaradio signalatafixedtime. ・ Automaticreception Theantennaforreceivingradio  Thiswatchautomaticallyreceivesaradiosignalat2:00AM. signalsinsidethewatchisatthe 9o’clockposition.Turningthe ※  I fthewatchfailstoreceivereceivesaradiosignalat2:00AM,itwillattempttoreceivea antenna toward the outside of radiosignalat3:00AM.Ifitfailsagain,itwillattempttoreceivearadiosignalat4:00AM. thewindowenablesthewatchto When receiving radio signals, place the watch in a receiveradiosignalsmoreeasily. placewhereitcaneasilyreceivearadiosignal. ・ Manualreception   W henthiswatchcannotautomaticallyreceivearadiosignalduetoadifficult receivingenvironment,itispossibletoreceivethemarbitrarilyatanytime. 　Howtoconductmanualreception→pages136-137 ※ W hensettingatimezoneforregionsotherthanradiosignalreceptionrange,theradiosignalreceptionfunctionwillnotwork.

  • Page 16: AboutReceptionConditions

    Aboutreceptionconditions ■Radiosignalreceptionrange:InJapan(JJY) The reception range from each transmitting station is approximately 1,000km （1,000kmradiusofeachstation） . JJY  is operated by  the  National I n s t i t u t e  o f  I n f o r m a t i o n  a n d CommunicationsTechnology （NICT）...

  • Page 17: RadioSignalReceptionRange:inChina(Bpc)

    ■Radiosignalreceptionrange:InChina(BPC) The reception range from the transmitting station is approximately1,500 km(1,500kmradiusofthetransmittingstation). BPCisoperatedbyNTSC. ShangqiuNationalTimeService Center 1,500km Frequency:68.5kHz ※ NTSC：NationalTimeServiceCenter ※ T hewatchmaybeabletoreceiveradio signalsoutsideareceptionrangeifthe receivingconditionsarefavorable. ※ T hewatchmayfailtoreceiveradiosignals dependingonthereceptionconditions (weather,geographiclocations,radio ShangqiuNational disturbancessuchastallbuildings,and TimeServiceCenter orientationofthewatch). Frequency:68.5kHz 　 E nvironmentsinwhichitisdifficultto receivearadiosignalonpage100.

  • Page 18: RadioSignalReceptionRange:InTheUnitedStates(Wwvb)

    ■Radiosignalreceptionrange:IntheUnitedStates(WWVB) The reception range from the transmitting station is approximately1,500 km (1,500 km radiusofFortCollinsradiostation).Therearefourtimezoneswithinthereceptionrange. WWVBisoperatedbyNIST. 1,500km FortCollinstransmittingstation Frequency:60KHz ※ NIST ：NationalInstituteofStandardsand  Technology ※ T hewatchmaybeabletoreceiveradio signalsoutsideareceptionrangeifthe receivingconditionsarefavorable. ※ T hewatchmayfailtoreceiveradiosignals dependingonthereceptionconditions FortCollins (weather,geographiclocations,radio transmittingstation disturbancessuchastallbuildings,and Frequency:60KHz orientationofthewatch). 　 E nvironmentsinwhichitisdifficultto receivearadiosignalonpage100.

  • Page 19: ToEnableTheWatchToEasilyReceiveARadioSignal

    ■Toenablethewatchtoeasilyreceivearadiosignal The antenna for receiving radio Placethewatchwhereitcan signalsinsidethewatchislocated receiveradiosignalsmore atthe9o'clockposition. easily,suchasbythewindow. Turning the antenna toward the w indow enables t he wa tch to receiveradiosignalsmoreeasily. In order to secure a stable radio signal r e c e p t i o n ,  ke e p  t h e  w a t c h  s t a t i o n a r y withoutchanging thedirection ofthewatch ortiltingitduringradiosignalreception.

  • Page 20: EnvironmentsInWhichItIsDifficultToReceiveARadioSignal

    ■Environmentsinwhichitisdifficulttoreceivearadiosignal ・ I nside a building, between tall ・ I n  p l a c e s  g e n e r a t i n g ・ C lose to overhead power buildings,underground. radio interference, such lines, TV stations, train as construction sites cables.
  • Page 21 ・ T he time signal transmission may be stopped during maintenance of the facilities of each transmitting station or because of a lightning strike. In such a case, see each station's websiteforfurtherinformationorcontactSEIKOCUSTOMERSERVICECENTER. ・Websitesoftransmittingstations （asofNovember,2007） Japan:NICT （JapanStandardTimeGroup） http://www.jjy.nict.go.jp/ China:NTSC　http://www.ntsc.ac.cn  T he United States of America: NIST　http://www.boulder.nist.gov/timefreq/ stations/wwvb.htm ・SEIKOCUSTOMERSERVICECENTER:0120-612-911 （tollfreeinJapan）...

  • Page 22: HowToCheckTheReceptionStatus

    Howtocheckthereceptionstatus ■Howtodisplaythereceptionresults Thiswatchdisplaysthelatestreceptionresults(Yes/No)ofaradiosignalforfiveseconds. PressButtonAonceandthenreleaseit. Thesecondhandindicatesthereceptionresults. Ifareceptionwas successful:Thesecond handpointstoY (Yes;the10second position) ※ W h e n  B u t t o n  A  i s  k e p t pressed for three seconds Ifareceptionhas or longer, the second hand failed:Thesecond startstomovetothe“Zero handpointstoN...
  • Page 23 Ifareceptionwassuccessful:ThesecondhandpointstoY ・  Aradiosignalhasbeenreceivedsuccessfully.Usethewatchwithoutanyadjustments. ※ W henthewatchisnotdisplayingtheprecisetimeanddateevenaftersuccessfullyreceivingaradiosignal →Inthiscase,refertoMisalignmentofthetimeandhandsonpage152andMisalignmentofthedateonpage154. Ifreceptionhasfailed:ThesecondhandpointstoN. ・  Placethewatchinaplacewhereitcaneasilyreceivearadiosignal,orchangeitsdirection.   E venwithintheradiosignalreceptionrange,thiswatchmayfailtoreceivearadiosignaldepending onthecondition(duetotheinfluenceofweather,geographicalfeatures,buildings,ordirection).→ Inthiscase,refertoEnvironmentsinwhichitisdifficulttoreceivearadiosignalonpage100.   T hiswatchisunabletoreceiveradiosignalsoutsideareceptionrange→Radiosignalreceptionrangeindicationonpages96-98 ・  AttempttoreceiveaRadioSignalinadifferenttimeperiod(Inthecaseofmanualreception).  Receivingenvironmentsdifferaccordingtotimeperiodsevenatthesameplace.  Duetoradiosignalcharacteristics,thewatchisabletoeasilyreceiveradiosignalsduringnighttimehours. ・  Whenmanuallyadjustingthetimeevenaftersuccessfullyreceivingaradiosignal,receptionresultsareresetto“N.” ※Whenpullingthecrowntothesecondclick,thewatchentersthemanualtimesettingmode,andresetsthereceptionresultswithoutadjustingthetime. ・  Whenthewatchisunabletoreceiveradiosignals,itmaymovedependingonthequartzmovement. ※ Accuracyofloss/gain:±15secondspermonth...

  • Page 24: WhatIsTheTimeZoneAdjustmentFunction

    Whatisthetimezoneadjustmentfunction? ■ Featuresoftimezoneadjustmentfunction 0secondposition:UTC ・ Thiswatchisabletobesettoanoverseaslocaltimeinone-hourunits.  M ostoftheregionsaroundtheworldadopttimedifferencesbasedonone-hourunits.  T hewatchsettimedifferencebasedonUTC(CoordinatedUniversalTime).  T herangeoftimedifferencesaroundtheworldcenteredfromUTCis“from–11hoursto +13hours.” ・   T hiswatchcanautomaticallydisplaythelocaltimeofadesiredareaby selectingitstimezone. When the watch is set in the time zone adjustment mode, the second handindicatesthetimezone. Press the button to set the time zone referring to the position of the secondhand.

  • Page 25: QuestionsAndAnswersRegardingTimeZoneAdjustmentFunction

    ■Questionsandanswersregardingtimezoneadjustmentfunction Ｑ： W henreturningtoJapanfromoverseas,isthetimeautomaticallysettoJapantime? Ａ： J ustmovingcannotadjustthetimetoJapantime. Aftersettingthetimedifference,radio signal receptionisnotperformed.  When wearing a watchin Japan, set to Japan timeby useofthetimezoneadjustmentfunction. Ｑ： T hehandsstopduringoperationoftimezonesetting,therefore,doestimelagoccur? Ａ： T heinternalcircuitstoresthetime,therefore,notimelagoccurs. Ｑ：Howaccurateisthewatchwhilethetimedifferenceisbeingset. Ａ： W hile the time zone is being set, the watch has an accuracy of a normal quartz watch. (Monthlyrate:±15seconds) Ｑ： H ow is adjustment made to a local time with a time difference of 15 minutes or 30 minutes?

  • Page 26: HowToSetTheTimeZone(SelectingTransmittingStation)

    Howtosetthetimezone(Selectingtransmittingstation) Press and hold But ton B until the SettheTimeZonebypressingthe secondhandmoves(forfourseconds). buttontomovethesecondhand. The second hand starts to move, and then the watchentersthetimezoneadjustmentmode. Whenanomovementstateofthesecond handiskeptfortensecondsormore,the watchautomaticallyswitchestothetime displaystate. Whenitisinthemiddleofoperation,re- Pressingthebuttononcemoves attempttheoperationfromprocedure“1.” thesecondhandeveryonesecond. ※ P ressButton Bwitha pointedobject. →page90 ※Thebuttonscanbepressedcontinuously.
  • Page 27 Thewatchautomatically Theradiosignaltransmittingstationcanbechangedbysettingthetimezones. terminatesthemode. Whensettingatimezoneforregionsotherthanreceptionrange,theradio signalreceptionfunctionwillnotwork. Whenthenomovementstate oftheminuteandhourhandsis Setthetimezonebymovingthesecondhand. keptfortenseconds,thewatch Theone-secondmovementofthesecondhandisequivalenttoonehourinthetimezone. automaticallyterminatestheTime IfthewatchisusedinJapan IfthewatchisusedinChina Ifthewatchis zoneadjustmentmode. usedinother Setthesecondhandto Setthesecondhandto Inthecasethatthedate areas the9-secondposition. the8-secondposition. changes,thedatedisplay Listofmajor changesafterward. timezones aroundtheworld ※ D uring movement of the →page108 date, neither the buttons n o r  t h e  c r o w n  c a n  b e Whenthenomovementstateofthesecondhandiskeptfortensecondsor operated.

  • Page 28: ListOfMajorTimeZonesAroundTheWorld

    Listofmajortimezonesaroundtheworld Whensettingatimezoneforaregionwherenoreceivableofficialstandardfrequencyismentionedinthetablebelow,theradiosignalreceptionfunctionwillnotwork. Receivable Receivable Positionthatthe Ti m edifference Nameofrepresentativecity official Positionthatthe Ti m edifference Nameofrepresentativecity official secondhandindicates withUTC (Timezone) standard secondhandindicates withUTC (Timezone) standard frequency frequency 0-secondposition ±0hour London/UTC ★ 0-secondposition ±0 London/UTC ★ 1-secondposition +1hours Paris/Berlin ★ 59-secondposition -1hours Azores ★...
  • Page 29 There are time differences around the world based on “Coordinated Universal Time (UTC).” There are 24 regions (Time Zones) around the world with a time difference of one hour. This system has been adopted internationally by settingthetotaltimedifferencearoundtheworldas24hours. In addition, Daylight Saving Time (Summer Time) is individually adopted in someregions.

  • Page 30: AboutCharging

    Aboutcharging ■Howtochargethewatch Toenjoyoptimalperformanceofthiswatch,makesurethatthewatchiskeptsufficientlychargedatalltimes. Ifthewatchisconcealedunderalongsleeveshirt,orifitisused or stored continually under conditions where it cannot receive Tochargethewatch,exposethe sufficientlight,thepowerstoredinthesolarcellmaybeeasily dial(solarcell)toadequatelight. depletedbecausethewatchcannotbesufficientlycharged. ※Whenchangingthewatch,keepthewatchtemperatureunder60℃ ※ B efore initially using the watch or when the watch has stopped as a result of complete depletion of storedpower,chargethewatchsufficiently.

  • Page 31: TheIndicationTimeForChargingTheWatch

    ■Theindicationtimeforchargingthewatch Standardchargingtime Illumination Light Condition Timerequiredforfully Ti m erequi r edforchargi n gthewatchto Ti m erequi r edforchargi n g （LUX） source （Example） chargingthewatch startmovi n gatone-secondi n terval s ★ thewatchtorunforoneday Incandescentlight 60W60cm － － 5hours Fluorescentlight Generaloffices － －...

  • Page 32: AboutEnergy

    Aboutenergy ■Energydepletionforewarningfunction The energy depletion forewarning function is activated when the energy stored in the watch runs low. In such a case, the second hand moves at two-second intervals. If the watch continues to be in the state of two-second interval movement, the watch switchestofive-secondintervalmovement,followedbyacompletelystoppedstate.

  • Page 33: PowerSaveFunction

    ■Powersavefunction This watch is equipped with a power save function (Power Saving) which can suppress energy consumptionwhenitisleftwithoutreceivinganadequatelightsourceforacertainlengthoftime. PowerSave1 PowerSave2 Whenthewatchisexposedtoastatewithoutreceiving Whenthewatchisinaninsufficient Condition anadequatelightsourcefor72hoursorlonger. chargingstateforalongtime. The second hand stops The second hand pointingatthe45-second stops pointing at position,andthehourand t h e  15 - s e c o n d minutehandsalsostop.

  • Page 34: ToPreserveTheQualityOfYourWatch

    Topreservethequalityofyourwatch ■Dailycare ・Thewatchrequiresgooddailycare ・Wipeawaymoisture,sweatordirtwithasoftcloth ・ T o clean the clearances (around the metallic band, crown or case back), a softtoothbrushisconvenient. ・ A fter soaking the watch in seawater, be sure to wash the watch in clean purewaterandwipeitdrycarefully. ・Turnthecrownfromtimetotime ・ I nordertopreventcorrosionofthecrown,turnthecrownfromtimetotime. ・ T hesamepracticeshouldbeappliedtoascrewlocktypecrown.

  • Page 35: PerformanceAndType

    ■Performanceandtype Thecasebackshowsthecaliberandperformanceofyourwatch Waterresistant performance Refertopages 116-119. Calibernumber Thenumbertoidentify thetypeofyourwatch ※ Thefigureaboveisoneexample.Performanceofyourwatchisdifferentfromabovesample.

  • Page 36: WaterResistance

    ■Waterresistance No indication WATER RESISTANT WATER RESISTANT 5 WATER RESISTANT 10...

  • Page 40: MagneticResistance

    ■Magneticresistance...

  • Page 42: Band

    ■Band Thebandtouchestheskindirectlyandbecomesdirtywithsweatordust. Therefore,lackofcaremayacceleratedeteriorationofthebandorcauseskinirritation orstainonthesleeveedge.Thewatchrequiresalotofattentionforlongusage. ・Metallicband ・ M oisture,sweatorsoilwillcauserustevenonastainlesssteelbandiftheyareleftforalongtime. ・ L ackofcaremaycauseayellowishorgoldstainonthelowersleeveedgeofshirts. ・ W ipeoffmoisture,sweatorsoilwithasoftclothassoonaspossible ・  T ocleanthesoilaroundthejointgapsoftheband,wipeitoutinwaterandthenbrushitoffwitha softtoothbrush. 　 （Protectthewatchbodyfromwatersplashesbywrappingitupinplasticwrapetc.） ・ B ecause some titan bracelets use pins made of stainless steel, which has outstanding strength, rustmayforminthestainlesssteelparts. ・ I frustadvances,pinsmaypokeoutordropout,andthewatchcasemayfalloffthebracelet,orthe claspmaynotopen.
  • Page 43 ・Leatherband ・ A leatherbandissusceptibletodiscolorationanddeteriorationfrommoisture,sweatanddirectsunlight. ・ W ipeoffmoistureandsweatassoonaspossiblebygentlyblottingthemupwithadrycloth. ・ D onotexposethewatchtodirectsunlightforalongtime. ・ P leasetakecarewhenwearingawatchwithlight-coloredband,asdirtislikelytoshowup. ・ R efrain from wearing a leather band watch other than Aqua Free bands while bathing, swimming, and when working with water even if the watch itself is water-resistant enforced fordailyuse （10-BARwaterresistant）...

  • Page 44: SpecialClasps

    ■SpecialClasps Thereare3typeofspecialclaspsasdescribedbelow; Iftheclaspofthewatchyoupurchasedisoneofthem, pleaserefertotheindications. BType AType →page125 →page126 CType →page128...
  • Page 45 AType Lift up the clasp to release Opentheflap. thebuckle. Takethepinoutoftheadjustmenthole,adjustthe Closetheflap. sizeofthestrapbyslidingitbackandforth,andthen put the pin back into the appropriate adjustment hole.
  • Page 46 BType ・Howtowearortakeoffthewatch Press the button on both sides of the buckle ; Placethetipofthebandintothemoveableloop pullthebuckleup. andfixedloop,andfastentheclaspbypressing Thebandwillautomaticallycomeoutoftheloop. theframeofthebuckle. ※NoFixedloopwithMetalBracelets.
  • Page 47 ・Howtoadjustthelengthoftheleatherband With pressing buttons on both sides of the Press the push but tons again to buckle,pulltheleatherbandoutofthemoveable unfastenthebuckle. loopandfixedloop.Thenopentheclasp. Pullthepinoutofaadjustmentholeoftheband.  Fasten the buckle with pressing the Slide the band to adjust its length and find an pushbuttons. appropriatehole.Placethepinintothehole.
  • Page 48 CType Press the button on the buckle, and To adjust : Pull the pins out of the lifttoopentheclasp. adjustment holes on the band. Slide the band to the appropriate length. Push the pins into the new holes on theband.

  • Page 49: Lumibrite

    ■Lumibrite IfyourwatchhasLumibrite Lumibriteisaluminouspaintthatiscompletelyharmlesstohumanbeingsandnaturalenvironment,containingnonoxious materialssuchasradioactivesubstance. Lumibriteisanewly-developedluminouspaintthatabsorbsthelightenergyofthesunlightandlightingapparatusinashort timeandstoresittoemitlightinthedark. Forexample,ifexposedtoalightofmorethan500luxforapproximately10minutes,LumiBritecanemitlightfor3to5hours. Pleasenote,however,that,asLumibriteemitsthelightitstores,theluminancelevelofthelightdecreasesgraduallyovertime. Thedurationoftheemittedlightmayalsodifferslightlydependingonsuchfactorsasthebrightnessoftheplacewherethe watchisexposedtolightandthedistancefromthelightsourcetothewatch. Condition Illumination Fineweather 100,000lux Sunlight Cloudyweather 10,000lux Fineweather morethan3,000lux Indoor(Window- sideduring Cloudyweather 1,000to3,000lux daytime) Rainyweather lessthan1,000lux Distancetothe 1,000lux Lightingapparatus watch:1m (40-wattdaylight Distancetothewatch:3m 500lux(averageroomluminance) fluorescentlight) Distancetothewatch:4m 250lux...

  • Page 50: PowerSource

    ■Powersource ・ Overchargepreventionfunction 　 W henthesecondarybatteryisfullycharged,theoverchargepreventionfunctionisautomaticallyactivated toavoidfurthercharging.Thereisnoneedtoworryaboutdamagecausedbyoverchargingnomatterhow muchthesecondarybatteryischargedinexcessofthe"timerequiredforfullychargingthewatch". ※Referto"Standardchargingtime"onpage111tocheckthetimerequiredforfullychargingthewatch. NOTICE ■ （Notesonchargingthewatch） ・ W h e n c h a r g in g  t h e w a t c h , d o n o t  p la c e t h e w a t c h in cl o s e proximity to an intense light source such as lighting equipment for photography, spotlights or incandescent lights, as the watch may be excessivelyheatedresultingindamagetoitsinternalparts.
  • Page 51 ・Powersource Thebatteryusedinthiswatchisaspecialsecondarybattery,whichisdifferentfromordinarybatteries. Unlikeanordinarysilveroxidebattery,thesecondarybatterydoesnotrequireperiodicreplacement.  H owever,ifthesecondarybatteryischargedordischargedrepeatedlyoveranextendedperiodoftime, itslifemayshorten. （ Thisconditionchangesdependinguponusageconditionandstorageenvironment.） Thesecondarybatteryisanenvironmentallyfriendly,cleanenergystoragedevice. NOTICE ・ W hen replacing the secondary battery, make sure that the exclusive secondarybattery for this watchisused.Installationofanordinarysilver oxidebatterycangenerateheatthatcancauseburstingorignition. ・ E ven when a silver oxide battery is substituted, electrical continuity cannotbeobtained.

  • Page 52: Guarantee

    ■Guarantee Withinoneyearfromthedateofpurchase,weguaranteefreerepair/adjustmentserviceagainstanydefectsaccording tothefollowingguaranteeregulations,providedthatthewatchwasproperlyusedasdirectedinthisinstructionbooklet. ・Guaranteecoverage Thewatchbody(movement･case)andmetallicband. ・Exceptionsfromguarantee  I n following cases, repair/adjustment services will be at cost even within the guaranteeperiodorunderguaranteecoverage. ・Changeofleather/urethane/clothband ・Troublesordamagecausedbyaccidentsorimproperusage ・Scratchesorgrimecausedbyuse ・ P roblems and damage caused by acts of god, natural disasters including fire,floodsorearthquakes. ・  T he certificate of guarantee is valid only if all the necessary items are properly filled in. Wewillnothonoranalteredortamperedcertificateofguaranteeforfreerepairservices.
  • Page 53 ・ F or any defects under guarantee, submit the watch together with the attached certificateofguaranteetotheretailerfromwhomthewatchwaspurchased. ・ I f repair services cannot be provided by the retailer from whom the watch was purchased, contact SEIKO CUSTOMER SERVICE CENTER.  In this case,theattachedcertificateofguaranteeisalsoneeded. ・Others ・...

  • Page 54: After-SalesService

     Please contact the retailer from whom the watch was purchased for inspection and adjustment by disassembly and cleaning (overhaul).  For replacement of parts, please specify "SEIKO GENUINE PARTS."  When asking for inspection and adjustment by disassembly and cleaning...
  • Page 55 ・Notesonguaranteeandrepair ・ C ontact the retailer the watch was purchased from or SEIKO CUSTOMER SERVICECENTERforrepairoroverhaul. ・ W ithin the guarantee period, present the cer tificate of guarantee to receiverepairservices. ・ G uarantee coverage is provided in the cer tificate of guarantee. Read...

  • Page 56: HowToConductManualReception(ReceivingARadioSignalManually)

    Howtoconductmanualreception(Receivingaradiosignalmanually) Placingthewatch KeeppressingButtonAuntilthesecondhandhasfinished itsmovementtothezerosecondposition(Fourseconds). Whenreceivingaradiosignal, place the watch where it can Whenthesecondhandhasmovedtothezerosecondposition,thewatch easilyreceiveasignal. willstarttoreceivearadiosignal. Theantennaforreceivingradio signalsinsidethewatchisat the9o’clockposition. Turningtheantennatowardthe outsideofthewindowenables the watch to receive radio signalsmoreeasily. ※ W hensettingatimezoneforregionsotherthanTokyo(Japan),thefunction ofthemanualradiosignalreceptionwillnotwork.(Thesecondhanddoes notmovetothezerosecondposition.)Confirmthetimezonesetting. → T o enable the watch to easily →Howtosetthetimezonepages106-107 receivearadiosignalpage99...
  • Page 57 Donotmovethewatchwhilereceivingaradiosignal. Thewatchdisplaysthetimewhenreceiving aradiosignalandafterreceivingasignal. ※ Thereceptionofaradiosignalcannotbeconductedunlessthewatchisstill. Ittakes12minutesatthe Check whether the receiving a radio longestaccordingtothe signalhasbeensuccessful.→page102 receivingstateofaradiosignal. ※ D uringthemovementofthedate,neitherthe buttonsnorthecrowncanbeoperated. Afteraboutoneminutefromthestartofreceivingaradiosignal, thesecondhandwillstarttoindicatethereceivinglevel. Displayduringreception Notreceivable IftheReceptionhas ReceivingLevelis ReceivingLevelis failed:TheSecond High:Thesecond Low:Thesecond HandPointsto”N” handpointstoH handpointstoL (No;the20second (High,the50 (Low,the40 position) secondposition) secondposition) Receptionlevelisupdatedbymovingthesecondhandeveryoneminute. Afterfiveseconds,thewatch willresumedisplayingthetime.

  • Page 58: ConditionsInWhichTheWatchMayBeUnableToReceiveRadioSignals

    Conditionsinwhichthewatchmaybeunabletoreceiveradiosignals ■Howtomanuallysetthetime Pullingthecrowntothesecondclick Whenthewatchisusedcontinuously The Second hand moves to point to the inconditionsinwhichthewatchmay “Zero second” position and the watch beunabletoreceivearadiosignal,it entersthemanualtimesettingmode. canbemanuallyadjusted. ※ W hen t he crow n is a s c rew l o c k t y p e , ※ W henthewatchisunabletoreceivearadiosignal,itcanmovedependingon unlockit.→page91 normalquartzmovement(accuracyofloss/gain:±15secondspermonth).
  • Page 59 PushthecrownbackIn. PressButtonAtoset thetime. Operationhasbeencompleted. Thewatchresumesitsnormalmovement. OneminuteAdvance PressButtonAonceandthenreleaseit. Continuous WhenButtonAiskeptpressedfortwo secondsorlonger,thehandwillstarttomove. Advance PressButtonAagaintostop. ※ W hen t he crow n i s  a  s c r e w  l o c k ※ T hehandwillnotmove type, unlock it. → byturningthecrown.

  • Page 60: HowToManuallySetTheDate

    ■Howtomanuallysetthedate Pullingthecrowntothefirstclick When the date is not changed due to an environment in which the watch is unable to receive a radio signal (when The watch enters the manual date changing from months with 30 days to settingmode. months with 31 days or less), adjust (Thewatchkeepsmoving.) thedatemanually.
  • Page 61 Pushthecrownbackin. PressButtonAtoset thedate. Operationhasbeencompleted. OnedayAdvance PressButtonAonceandthenreleaseit. Continuous WhenButtonAiskeptpressedfortwoseconds orlonger,thedatewillstarttomove. Advance PressButtonAagaintostop. ※ W henthecrownis ※ T h e  d a t e  w i l l  n o t move by turning the a screw lock type, crown.

  • Page 62: PreliminaryPosition

    Preliminaryposition Whenthewatchisunabletodisplaytheprecisetimeordateevenifitsuccessfullyreceivesa radiosignalwiththecorrecttimezonesetting,thepreliminarypositionmaybemisaligned. The radio-controlled watch can automatically adjust the time, however if the preliminary hand position is an improperone,thewatchwillbeunabletodisplaytheprecisetimeevenwhenreceivingaradiosignal. When comparing the state of “Misaligned Preliminary Hand Position” to that of a weight scale, it is like “a scale whichisunabletodisplaythecorrectweightbecauseitsneedleisnotsettothezeropositionbeforeweighing.”...

  • Page 63: ThingsAroundYouWhichGenerateMagnetism

    〈Misalignmentofthetimeanddate〉  ･Inthecaseofhavingastrongimpact:Misalignmentofthetimeanddatemayoccurwhendroppingorhittingthewatch.  ･ I nthecaseofamagneticinfluence:Misalignmentofthetimeanddatemayoccurwhenbringingthewatchclosetoan objectwhichgeneratesmagnetism. ■ Thingsaroundyouwhichgeneratemagnetism ・MagneticClip ・ Accessoriesusingamagnet ・ M agnetic therapy devices (a heating pad,bedding,alumbagoband,etc.) ・ M agnet of doors for a ・ S peakersusedforsuchasaudiovisualapparatus, ・Claspsforabagorwallet refrigeratororfurniture radio,anearphone,andacellularphone.

  • Page 64: HowToSetThePreliminaryPosition

    Howtosetthepreliminaryposition ■Settingthepreliminarypositionofthedate PressandholdButtonAandButtonBsimultaneouslyuntilthe secondhandstopsatthe13-secondposition(forfourseconds). Thepreliminarypositionofthedateisthe“1st.” Whenthepreliminarypositionofthedateis Thedatewillstarttoadvanceandstopatthepreliminaryposition. incorrect,thecorrectdatecannotbedisplayed ※Neverpullthecrownout. PresstheButtons evenifthewatchreceivesaradiosignal. Simultaneouslyfor FourSeconds Lossorgainofthedatecanbeadjustedby ※ P ressButtonB settingthepreliminarypositionofthedateas withapointed object.→page90 the“1st.” ※  I n order to perform the Inthecasethatthenumericalnumberofthedatedoes procedures easily, it is notlocateatthecenterofthewindow,italsocanbe re co m m e n d e d to f irs t correctedbythesameproceduresasmentionedabove.
  • Page 65 Pressing But ton B to set Automaticmodetermination thedatetothe“1.” When the date movement stops, the preliminarypositionadjustmentmode Setthepreliminarypositiontotheprecisedate. willbeterminatedintenseconds. Adjustthedatesothatthepositionof“1”willlocate atthecenterofthewindow. Confirmwhetherthedateiscorrectafter thewatchresumesdisplayingtime. In the case that the date is not correct, adjustthedate. Adjustingthedatebyreceiving aradiosignal. Howtoconductmanualreception →page136 IfButtonBiskeptpressedfortwoseconds Continuous Ifthewatchisunabletoreceiveradiosignals orlonger,thedatesadvancecontinuously. advancement Howtomanuallysetthedate→page140 PressButtonBagaintostop.

  • Page 66: SettingThePreliminaryPositionsOfTheHourAndMinuteHandsManually

    ■Settingthepreliminarypositionsofthehourandminutehandsmanually Press and hold But ton A and But ton B simultaneously until the second hand stops No button operation is needed if setting the atthe13-secondposition(forfourseconds). handstothepreliminarypositionsautomatically. Thewatchentersthemodetoadjustthepreliminarypositionofthe →　 A utomatichandpositionalignment date. functiononpage142 ※Neverpullthecrownout. PresstheButtons Simultaneously forFourSeconds C o n d u c t  t h e  f o l l o w i n g ※ P r e s s  B u t t o n  B p r o c e d u r e s  w h e n  s e t t i n g w i t h  a  p o i n t e d...
  • Page 67 After the date stops, press and hold PressButtonBOnce. ButtonAuntilthesecondhandstopsat The preliminary positions of the hour and the0-secondposition(fortwoseconds). minutehandsareautomaticallyadjusted.The Enter the mode to adjust the preliminary hourandminutehandsstarttomove,andthen positionsofthehourandminutehands. allhandswillstopatthe0-secondposition. ・  Whiledatesareadvancing,nobuttonoperationcanbemade. After 10 seconds when the all hands ・   A fterthedatestops,whenthewatchhasnooperationandnomovementof willstopatthe0-secondposition,the thehandsfortensecondsorlonger,itautomaticallydisplaysthetimeagain.

  • Page 68: Troubleshooting

    Troubleshooting Troubles Possiblecauses Thesecondhandmoves Theenergydepletionforewarningfunctionisactivated. （page112） attwo-secondintervals. Ifthisfunctionisactivatedeventhoughyouwearthewatch Thesecondhandmoves everyday,thewatchmaybeunabletoreceivesufficientlight atfive-secondintervals. becauseitisconcealedunderalongsleeveshirt,etc. ThePowerSavehasbeenactivatedtolimitenergyconsumption. （page113） Thestoppedsecondhand Whenthewatchisusedorstoredcontinuallyunderconditionswhereit Movement pointingtothe15-second cannotreceivesufficientlight,thepowersavefunctionisautomatically positionstartedmoving. ofthewatch activatedinordertoreduceunnecessaryenergyconsumption. hands ThePowerSavehasbeenactivatedtolimitenergyconsumption. （page113） Thestoppedsecondhand Whenthewatchisusedorstoredcontinuallyunderconditionswhereit pointingtothe45-second cannotreceivesufficientlight,thepowersavefunctionisautomatically positionstartedmoving. activatedinordertoreduceunnecessaryenergyconsumption. ThePowerSavefunctionhasbeenactivated. （page113） Thewatchhandswerefast- Theautomatichandalignmentfunctionhasbeenactivated. （page142） forwardedeventhoughnobutton Whenthehandpositionsdeviatetodisplayincorrecttimeasaresultof hadbeenpressed,andthenthe influenceofvariousexternalsources,thewatchautomaticallycorrects watchresumedregularmovement.
  • Page 69 Solutions Referencepage Sufficientlychargethewatchuntilitstartsmovingatone-secondintervals.  M ake sure that the watch is not concealed under a sleeve while you are page110 wearing the watch. When taking the watch off, place the watch in a location asbrightaspossible. Waituntilthewatchreturnstothecurrenttimedisplay. － Usethewatchasitis （thisisnotamalfunction） . ① page110 Sufficientlychargethewatchuntilitstartsmovingatone-secondintervals.
  • Page 70 Attrouble Possiblecauses Thewatchwasmovedwhileitwasreceivinga Whenthewatchis radiosignal. unabletoreceivea Thewatchwasleftwheretheradiosignalwas radiosignal weakorwhereitwasunabletoreceivearadio Reception signal(page100). Thereceptionresults ofaradio havefailedandthe Transmittingstationsmayhavestopped signal secondhandpoints transmittingradiosignalsforsomereason toN(thewatchdoes (Transmissionstop). notreceivearadio The watch is set to a time zone other than signal). a  r a d i o  s i g n a l  r e c e p t i o n  r a n g e  (a  w r o n g transmittingstationisselected).
  • Page 71 Solution Referencepage Donotmovethewatchwhileitisreceivingaradiosignal. The reception of the radio signals cannot be conducted unless the page99 watchisstill. Placethewatchwhereitisabletoeasilyreceivearadiosignal. page99 C h e c k  t h e w e b s i t e o f e a c h t r a n s m i t t i n g  s t a t i o n  fo r  f u r t h e r information concerning a transmission stop.  Attempt to receive a page101 radiosignalagainafterawhile.
  • Page 72 AtTrouble Possiblecauses Thewatchfailstoreceivearadiosignal correctlyasaresultofexternalinfluence Thewatch (incorrectreception). temporarilygainsor losestime. Thewatchhasbeenleftinanextremelyhigh orlowtemperatureplaceforalongtime. Misalignment Thewatchdisplaysanincorrecttime Thewatchmaybesettoatimeinadifferent hourunit,eventhoughitdisplaysthe timezonefromtheregionwherethewatchis ofthetime precisetimeofminutesandseconds currentlyused. andhand Thereceptionresultsare Thehandpositionsweremisalignedasaresultofexternalinfluence. positions successful,buttheprecise Thehandsareoutofthepreliminarypositionasaresultofexternal timeisnotdisplayed. influence.→ Preliminarypositiononpage142 Thesecondhandpositionis The second hand is out of the preliminar y notcorrectlyalignedin“the positionasaresultofexternalinfluence. receptionresultsdisplay”or →...
  • Page 73 Solution Referencepages ① P lace the watch where it is able to receive a radio signal more page99 easily. page136 ②Conductmanualreceptionifnecessary. ①Whenthewatchreturnstoanormaltemperature,itwilldisplaytheprecisetimeasbefore. － ②Ifthewatchstillgainsorlosesthetime,conductmanualreceptionifnecessary. page136 ③Ifthewatchcannotresumenormal  movementevenafterconductingtheabovementionedprocedures,  consulttheretailerfromwhomthewatchwaspurchased. － Check the time zone that the watch is currently set for, and select page106 therighttimezone.
  • Page 74 AtTrouble Possiblecauses Thereceptionresultdisplay Thedateisoutofpreliminaryposition. Misalignment confirmssuccessfulreception, Thishappenswhenthedateisoutofpreliminarypositionasaresult andthecorrecttimeisdisplayed, ofthedate ofinfluenceofvariousexternalsourcesorafterthebuilt-inICisreset. butthewrongdateisdisplayed. Thestoredelectricpowerisrunningshort. Thecrownorbuttons cannotbeoperated. Dateanddayaremovingrightafterasetting iscarriedoutbythecrownorbuttonoperation. Operation Yougetlostin themiddleofthe －－－－－－－－－－－－－－－－－－－－－－－－－ operation. Bluronthedialglass Smallamountofwaterhasgotinsidethe Others persists. watchduetodeteriorationofthegasket,etc. ※Forthesolutionoftroublesotherthantheabove,consulttheretailerfromwhomthewatchwaspurchased.
  • Page 75 Solution Referencepages Check if the date is set to the correct preliminary position. If not, page144 correctthepreliminarypositionfordate. Sufficiently charge the watch until it starts moving at one-second page110 intervals. Waitforawhilewithoutdoinganything. － Leave the watch as it is for a while. The watch resumes regular movement. If the crown is pulled out, push it back in. After a while, －...

  • Page 76: InCaseOfAnAbnormalMovement

    Incaseofanabnormalmovement Inthecasethatthewatchmovesabnormallyorthatthewatchdoesnotmoveatone-secondintervalseven afterfullychargingthebattery,performtheproceduresfrom① - ⑧tore-establishnormalfunction. ■HowtoresettheBuilt-inIC,( ① - ③ ) Whenpullingthecrowntothesecondclick,the Pressandhol d ButtonAandButtonBsi m ul t aneousl y forfourseconds,  andthenrel e asethem. secondhandstopsatthezerosecondposition. Infivesecondsafterreleasingthebuttons,thesecondhandmakesafull rotationandstopsatthezerosecondposition.Thenthehandsofthe hourandminutewillstarttomovetowardtheZerosecondposition. ※ W henthecrown Pressandhol d ButtonAand is a screw lock ButtonBsimultaneouslyfor fourseconds ※ P ressButtonB t ype, unlock it. withapointed...
  • Page 77 ■Adjustingthepreliminarypositionofthedate（④～⑤） P r e s s  a n d  h o l d  B u t t o n  A  a n d  B u t t o n  B Whenallthehandsreturntothezero simultaneously until the second hand stops at secondposition,pushthecrownbackin.
  • Page 78 Pressing But ton B to Set the PreliminaryPositiontothe“1.” Adjustthedatesothatthepositionof“1”will locateatthecenterofthewindow. T h e  p r e l i m i n a r y  p o s i t i o n a d j u s t i n g  m o d e  t e r m i n a t e s 1 0  s e c o n d s  a f t e r  t h e p r o c e d u r e  “...
  • Page 79 ■Settingthetimezone （⑥～⑦） Press and hold But ton B until the second hand moves(forfourseconds)tothe0-secondposition. Thewatchentersthetimezoneadjustmentmode. When a no movement state of the second hand is kept for ten seconds or more, thewatchautomaticallyswitchestothetimedisplaystate. Whenitisinthemiddleofoperation,re-attempttheoperationfromprocedure“6.” Goontothenextpage...
  • Page 80 Set the time zone by pressing the button to move the secondhand(selectingatransmittingstation). Setthetimezoneoftheareawherethewatchisused. Japan;the9 secondposition P r e s s i n g  t h e  b u t t o n once moves the second China;the8 handeveryonesecond. secondposition ※ T hebuttonscan 　bepressedcontinuously.
  • Page 81 SettheTime S e t  t h e  t i m e  b y  r e c e i v i n g  a radiosignal. How to conduct manual reception → page136 T h e  t i m e  z o n e  a d j u s t i n g mode terminates 10 seconds a f t e r  t h e  p r o c e d u r e  “...

  • Page 82: Specifications

    Specifications 1.Frequencyofcrystaloscillator･･････ 32,768Hz(Hz=Hertz...Cyclespersecond) 2.Loss/gain(monthlyrate)････････････  L oss / gain ±15 seconds on a monthly rate (Except the case when the watch is used without an automatic time setting by receivingaradiosignalandwhenitiswornonthewristwithin anormaltemperaturerangebetween5℃and35℃ ). 3.Operationaltemperaturerange ･ ････ Between−10℃～+60℃ 4.Drivingsystems･･････････  S tepmotor(Hourandminutehands,secondhand,andthedate) 5.Powersource･･･････････････････････...

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