Omega Seamaster Aqua Terra Gold & Steel Operating Instructions Manual
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Omega Seamaster Aqua Terra Gold & Steel Operating Instructions Manual

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  • Page 1 E / 10...
  • Page 2 Number of calibers: Number of calibers: Number of calibers: Number of calibers: 1270 1151, 3606 3200 1866, 3604 3888, 3890 3200 3303 Chronograph seconds Hour counter Omega Kronograf sekunder Time tæller Omega Chronograafseconden Urenteller XII XIII XVII XVIII Ajanmittaussekunnit Tuntilaskija 3 3 1 3 1 1 5 1...
  • Page 3 Número de calibre: Contents Kalibernummer: Αριθμός τύπου μηχανής: Number of calibers: Number of calibers: Number of calibers: Number of calibers: 1108/ 1120, 1424, 1426, 1530, 1532, 1538, 8601, 8611 1680 1128 2500, 2520, 2610, 8500, 8501, 8520, Omega 8521 ➜ ➜ Fig. I-IX 1108/ 1120/1400/1424/1530 Fig. I-IX Figure Number: Fig. I-IX Omega II 1532/1538/1680/2500/2520 VII...

  • Page 4: Table Of Contents

    ........– OMEGA International Warranty .

  • Page 5: Introduction

    Water resistance: a watch's water resistance cannot be per- manently guaranteed. It may be affected by the ageing of gas- kets or by an accidental shock to the crown. As stipulated in our service instructions, we recommend you have the water resistance of your watch checked once a year by an approved OMEGA service agent. Chronograph push-pieces: do not operate chronograph pushers under water in order to prevent water entering the mechanism.

  • Page 6: Environmental Protection

    What are the service intervals? Like any precision instrument, a watch needs regular servicing to ensure that it functions perfectly. We cannot indicate the frequency of such work, since it depends entirely on the model, the climate and the owner's individual care of the watch. As a general rule, a watch should be serviced every 4 to 5 years, depending on the conditions in which it is used. Who should I contact for a maintenance service or bat- tery replacement? We recommend that you contact an approved OMEGA service centre or authorised OMEGA retailer, as they are the only entities equipped with the tools and apparatus required to carry out the work and the necessary checks in a professional manner. Furthermore, only these entities can guarantee that their work is carried out in accordance with OMEGA's strict quality standards. 1 Introduction Environmental protection Collection and treatment of end of life Quartz watches* This symbol indicates that this product should not be disposed of with household waste. It has to be returned...

  • Page 7: Leather Straps

    1 Introduction Leather straps OMEGA recommends that you follow the steps below in order to preserve the condition of your leather strap for as long as possible: – avoid contact with water and dampness to prevent discoloura- tion and deformation. – avoid prolonged exposure to sunlight to prevent the colour from fading. – do not forget that leather is permeable! Therefore avoid contact with greasy substances and cosmetic products. – if you have a problem with your leather strap, please contact your nearest OMEGA retailer! 1 Introduction...

  • Page 8: Omega International Warranty

    OMEGA watch (“defects”). The warranty only comes into force if the warranty certificate is dated, fully and correctly completed and stamped by an official OMEGA** dealer (“valid warranty certificate”). During the warranty period and by presenting the valid warranty certificate, you will have the right to have any defect repaired free of charge. In the event that repairs are unable to restore the...
  • Page 9 OMEGA SA’s oBLIGATIoN IS STrICTLY LIMITED To rEPAIr or rEPLACEMENT AS EXPrESSLY STATED IN THIS LIMITED WArrANTY. YoUr oFFICIAL OMEGA DEALEr CArrIES SoLE rESPoNSIBILITY For ANY oTHEr GUArANTEES.
  • Page 10 Introduction OMEGA International Warranty Your OMEGA watch is warranted by OMEGA SA* for a period ® of twenty-four (24) months, thirty-six (36) months for watches with a co-axial escapement, from the date of purchase under the terms and conditions of this warranty. The international OMEGA warranty covers material and manufacturing defects existing at the time of delivery of the purchased OMEGA watch (“defects”). The warranty only comes into force if the warranty certificate is dated, fully and correctly completed and stamped by an official OMEGA** dealer (“valid warranty certificate”). During the warranty period and by presenting the valid warranty certificate, you will have the right to have any defect repaired free of charge. In the event that repairs are unable to restore the normal conditions of use of your OMEGA watch, OMEGA SA guarantees its replacement by an OMEGA watch of identical or similar charac- teristics. The warranty for the replacement watch ends twenty-four (24) months, thirty-six (36) months for watches with a co-axial esca- pement, after the date of purchase of the replaced watch. This manufacturer’s warranty does not cover: – the life of the battery. – normal wear and tear and ageing (for example scratched crystal; alteration of the colour and/or material of non metallic straps and chains, such as leather, textile, rubber).
  • Page 11 Introduction OMEGA International Warranty – the OMEGA watch handled by non-authorised persons (for example for battery replacement, service or repair) or which has been altered in its original condition beyond OMEGA SA’s control. Any further claim against OMEGA SA, for example for damages additional to the above described warranty is expressly excluded, except mandatory statutory rights the purchaser may have against the manufacturer. The above manufacturer’s warranty: – is independent of any warranty that may be provided by the seller, for which he carries sole responsibility; – does not affect the purchaser’s rights against the seller nor any other mandatory statutory rights the purchaser may have against the seller.

  • Page 12: 2 Operating Instructions

    2 Operating instructions Quartz watch CAlIbrES 1376, 1456 (fig. II) The crown has 2 positions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant. 2. Time setting: pull the crown out to position 2, turn the crown forwards or backwards. Push the crown back to position 1. CAlIbrES 1426, 1530, 1532 (fig. I) The crown has 3 positions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant. 2. Correcting the date: pull the crown out to position 2, turn the crown forwards or backwards. Push the crown back to position 1.

  • Page 13: Quartz Chronograph

    Correcting the date: the date can be moved forwards or back- wards by moving the hour hand past midnight accordingly. Push the crown back to position 1. 3. Time setting: pull the crown out to position 3. The seconds hand will stop. Turn the crown forwards or backwards. Synchronise the seconds by pushing the crown back to position 1 to coincide with a given time signal. For calibres 1424, 1426, 1530, 1532 and 1538, the end of battery life is indicated by the seconds hand making 4-second jumps. The watch will continue to function for several days, but the battery must be removed and replaced by an authorised OMEGA service agent as soon as possible. CAlIbrE 4000 (fig. II This calibre does not have a visible crown. A corrector at 3 o’clock on the side of the case is used to change the time by simply pres- sing with a corrector pen that comes with the watch. 1. Time setting by pressing the corrector: • Correcting the minutes: press briefly to advance the hand by one minute;...
  • Page 14 Operating instructions Quartz chronograph The chronograph functions are provided by a combination of quartz and mechanical technology. The chronograph hand, driven by a separate motor, makes 16 jumps per second. Its movement appears continuous and it can be read off the scale to within 1/10th of a second. The reset function, like the minute and hour totaliser func- tions, is carried out mechanically. The return to zero is instanta- neous. In order to reduce energy consumption to a minimum, the chrono- graph automatically stops after more than 11 hours of operation. The crown has 3 positions: Watch functions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant. 2. Correcting the date: pull the crown out to position 2, turn the crown forwards until the required date is displayed, then push the crown back to position 1.
  • Page 15 1 to coincide with a given time signal; resetting the 1/10th of a second and 60 second totalisers. Chronograph functions: Allows the time to be read off to 1/10th of a second up to 30 minutes in the simple, addition or split modes (reading split times, intermediate times). Simple timing function (crown in position 1): • Pusher A: start – stop (read time) • Pusher b: reset 5200 Omega...
  • Page 16 Operating instructions Quartz chronograph Addition function (crown in position 1): • Pusher A: start • Pusher A: stop to read time • Pusher A: press again to restart • Pusher A: stop At the end of the last step, the chronograph indicates the total time. • Pusher b: reset Split-time function (split seconds, crown in position 1): • Pusher A: start • Pusher b: stop to read the split time. The chronograph continues to operate. • Pusher b: restart The chronograph hands catch up with the elapsed time. • Pusher A: for the last stop and to display the total time • Pusher b: reset Nb: the hands should be reset to their original position before Í...

  • Page 17: Manual & Self-Winding Watch

    Operating instructions Manual & Self-winding watch CAlIbrES 8500, 8501 (fig. I) The crown has 3 positions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant. Occasional winding: if the watch has not been worn for 60 hours or more, wind it up with the crown in position 1. 2. Time zone: pull the crown out to position 2. Turn the crown forwards or backwards; the hour hand moves forwards or back- wards in one-hour jumps. Push the crown back to position 1. Correcting the date: pull the crown out to position 2. The date jumps forwards or backwards each time the hour hand passes midnight. Push the crown back to position 1. Nb: when changing the time zone backwards, it is necessary Í...
  • Page 18 Operating instruction Manual & Self-winding watch 2. Annual calendar: pull the crown out to position 2. Turn the crown forwards to change the date or backwards to change the month. Push the crown back to position 1. Note: the day following 28 or 29 February (depending on whether it is a leap year), the date needs to be adjusted by one or two days (crown in position 2). Ideally, the date should be adjusted after setting the time. 3. Time setting: hours – minutes – seconds. Pull the crown out to position 3, the seconds hand will stop. Turn the crown backwards only. Synchronise the seconds by pushing the crown back to...
  • Page 19 2 Operating instructions Manual & Self-winding watch For calibre 2610 only: date adjustment is made by instan- taneous jumps. Nb: date-setting is not recommended between 8pm and 2am. Í 3. Time setting: hours – minutes – seconds. Pull the crown out to position 3. The seconds hand will stop. Turn the crown forwards or backwards. Synchronise the seconds by pushing the crown back to position 1 to coincide with a given time signal. Power reserve for calibre 2627: • Counter at 9 o’clock: small seconds. • Counter at 6 o’clock: power reserve indicator. When the watch is fully wound, the power reserve indicator hand points to 4/4. This means that the power reserve is at least 44 hours. Power reserve: If the watch is not being worn, or during periods of low activity, the power reserve indicator hand progressively moves anti-clockwise.
  • Page 20 1 Introduction 2 Operating instructions Recommandations spéciales Manual & Self-winding watch CAlIbrES 2005, 2006, 2007 (fig. II) CAlIbrES 2200, 2201, 2202 (fig. VIII CAlIbrE 2403 (fig. VIII) The crown has 2 positions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant. Occasional winding: if the watch has not been worn for 40 hours or more, wind it up with the crown in position 1. Calibres 2006, 2007 and 2201 (manual winding) Winding: turn the crown forwards until it stops.

  • Page 21: Manual-Winding Chronograph

    Operating instructions Manual-winding chronograph CAlIbrES 1861, 1863, 3201 (fig. XV) CAlIbrES 1866, 3604 (fig. XVI) CAlIbrE 3200 (fig. XV The crown has 2 positions: Watch functions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant. Winding: turn the crown forwards until it stops. 2. Time setting: hours – minutes – seconds. Pull the crown out to position 2. Turn the crown forwards or backwards. Synchronise the seconds by pushing the crown back to position 1 to coincide with a given time signal. Note: calibres 1861, 1863, 1866 and 3604 do not have a stop- second mechanism. To synchronise, the crown should be gently turned backwards and pressure maintained to stop the seconds hand. release when the display corresponds to the timing signal...
  • Page 22 Operating instructions Manual-winding chronograph Calibre 1866 – date and moon phase correction – Correcting the date (small counter at 12 o'clock): press corrector (C). – Correcting the moon phase: press corrector (D) to move the disc into the full-moon position. Then determine how many days have elapsed since the last full moon (consult a calendar) and press the corrector the equivalent number of times. When the watch is running, the date and moon phase move forward automatically. Important: avoid pressing correctors (C) and (D) (date and Í...

  • Page 23: Self-Winding Chronograph

    Operating instructions Self-winding chronograph CAlIbrES 3202, 3205 (fig. XV) CAlIbrE 3220 (fig. XIII) CAlIbrES 3601, 3602 The crown has 2 positions: Watch functions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant. Occasional winding: if the watch has not been worn for 45 hours or more, wind it up with the crown in position 1. 2. Time setting: hours – minutes – seconds. Pull the crown out to position 2. The seconds hand will stop. Turn the crown forwards or backwards. Synchronise the seconds by pushing the crown back to position 1 to coincide with a given time signal. Chronograph functions: • Pusher A: start – stop, start – stop, etc. Timing to 1/8th of a second for up to: – 14 minutes for diving function (calibre 3601) – 12 hours for regatta function (calibre 3602)
  • Page 24 Nb: if the chronograph function is stopped, the regatta function Í also stops, since the two functions are synchronised. Note: for calibre 3602, there is a second version in which the chro- nograph push-buttons are on diametrically opposite sides. In this case, push-button A is at 8 o’clock instead of 2 o’clock, and push- button B is at 10 o’clock instead of 4 o’clock. Apnea function (calibre 3601) In addition to the hours and minutes hands, this movement has an indicator that displays the elapsed time of a dive. This indi- cator operates simultaneously with the chronograph seconds hand. Each circle on the display corresponds to 1 minute. Before a dive, the chronograph should be started. once the 7 circles on the display have changed to red, this means that 7 minutes have elapsed. once the red colour has disappeared from the 7 circles this means that 7 more minutes have elapsed. Omega...

  • Page 25: Self-Winding Chronograph With Date

    Operating instructions Self-winding chronograph with date CAlIbrES 1151, 3606 (fig. XI) CAlIbrES 1152, 1164 (fig. XII) CAlIbrES 3301, 3303, 3313 (fig. XIV) CAlIbrE 3304 (fig. XIX) CAlIbrES 3888, 3890 (fig. XXI) The crown has 3 positions: Watch functions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant. Occasional winding: if the watch has not been worn for 44 hours or more (calibres 3888, 3890: 52 hours), wind it up with the crown in position 1.
  • Page 26 Operating instructions Self-winding chronograph with date Calibres 3888, 3890 (fig. XXI) Correcting the day: pull the crown out to position 2, turn the crown backwards, then push the crown back to position 1. Note: in the quick mode, the date is changed in two steps. Check that the date hand (calibre 3888) or day disc plate (calibre 3890) is centred after the change has been made. 3. Time setting: hours – minutes – seconds. Pull the crown out to position 3. The seconds hand will stop. Turn the crown forwards or backwards. Synchronise the seconds by pushing the crown back to position 1 to coincide with a given time signal. Chronograph functions: • Pusher A: start – stop, start – stop, etc. Timing to 1/8th of a second for up to 12 hours or up to 7 days for calibres 3888 and 3890. • Pusher b: reset (after a stop). Note: never push the chronograph’s two pushers (A and B) simul- taneously (calibres 3301, 3303 and 3313).

  • Page 27: Self-Winding Split-Seconds Chronograph

    Operating instructions Self-winding split-seconds chronograph CAlIbrE 3600 (fig. XVII) CAlIbrE 3612 (fig. XVIII) Watch functions (calibre 3600) The crown has 2 positions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant. 2. Time setting: hours – minutes – seconds. Pull the crown out to position 2. The seconds hand will stop. Turn the crown forwards or backwards. Synchronise the seconds by pushing the crown back to position 1 to coincide with a given time signal. Watch functions (calibre 3612) The crown has 3 positions: 1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that the watch is water-resistant.
  • Page 28 Operating instructions Self-winding split-seconds chronograph Chronograph functions: • Pusher A: start - stop, start - stop, etc. Timing to within 1/8th of a second for up to 12 hours. • Pusher b: reset (after a stop). Note: never push the chronograph’s two pushers (A and B) simul- taneously (calibre 3612). Chronograph functions with split-seconds: The split-seconds function allows split times to be recorded whilst the chronograph is running. 1. Start the chronograph by pressing pusher A (start). 2. To record a split time, press pusher C. The split-seconds hand D stops, indicating the split time, whilst the chronograph continues running. Nb: the split time should be read immediately, since the chrono- Í graph totalisers for hours G, minutes E and seconds F continue to measure the elapsed time. F or calibre 3600 only: whilst the chronograph is running, do not leave the split-seconds hand D stopped any longer than is necessary to read the split time, otherwise the functioning of the split-seconds mechanism may be affected. 3. Press pusher C for the split-seconds hand to catch up with the chronograph seconds hand F. 4. To record a new split time, start from step 2 above. 5. Press pusher A to stop the chronograph.

  • Page 29: Perpetual Calendar Calibre : 1680

    Operating instructions Perpetual calendar CAlIbrE 1680 (fig. V) The particularity of the Gregorian calendar is that one day (29th February) is added to the year every four years to compensate for the length of the solar year, which is 365.242192 days, or almost 365 1/4 days. Such years are called leap years and their number (for example 1996) is divisible by 4. As the compensation of one day every four years is too much, every 100 years (2100, 2200, …) the year is not a leap year, even though it is divisible by four. However, even this is not totally sufficient, since it leaves an error of one day every 400 years. Therefore, if the number of the year is divisible by 400 it is a leap year, as was the case with the year 2000. Because of this, the perpetual calendar of your watch is set to function correctly until 2100. Thermocompensation This movement is 10 times more precise than a conventional quartz movement thanks to an electronic module that compensates for the effects of temperature on the movement’s operation. The crown has 3 positions: Watch functions: 1.1. Neutral position 1, normal when the watch is worn: in this position, the crown ensures that the watch is water- resistant.
  • Page 30 Operating instructions Perpetual calendar 1.3. Setting the date and hour hands: Pull the crown out to position 2. Then turn the crown: the hand moves in 1-hour jumps. If it is necessary to correct the date (A), continue to turn the crown and the date will change automa- tically when switching from AM to PM, or the contrary, depen- ding on the direction the crown is turned. Then push the crown back to position 1. Important: when setting the date, it is essential to check the Í date. If need be, pass midday (no date change) or midnight (date changes) to make sure the time is set in AM or PM as appropriate. Note: corrections in position 3 have no effect on the date, even if the hour hand passes midday or midnight. The watch stores the date in its memory (including whether AM or PM) before the time is reset. Setting the hours, minutes and seconds, around midnight and midday may therefore result in the calendar shif- ting by 12 hours. 2. Checking and correcting the calendar: month, yearly cycle and date.
  • Page 31 The calendar continues to function and displays the date A. See point 1.3. for how to correct the date. 2.3. Changing the time zone or daylight saving time: pull the crown out to position 2 and turn it. only the hour hand will move forwards or backwards, without affecting the minutes or seconds. Push the crown back to position 1. Note: the end of battery life is indicated by the seconds hand making 4-second jumps. The watch will continue to function for several days, but the battery must be removed and replaced by an authorised OMEGA service agent as soon as possible. once the watch stops, a memory function stores the date for one month.

  • Page 32: Self-Winding Gmt & Gmt Chronograph

    Operating instructions Self-winding GMT & GMT Chronograph People travelling East, for example from London to Hong kong, should pull the crown out to position 2 and move the hour hand forwards (in this case by 8 hours). The table above can be used to calculate any time difference. People travelling West, for example from London to New York, should pull the crown out to position 2 and move the hour hand backwards (in this case by 5 hours). The table above can be used to calculate any time difference. In both cases, the '24-hour' hand allows travellers to read the time back home – London, in our example – at a glance, using the 24-hour scale on the dial. The second time zone – in this case Hong kong or New York – is read off the dial in the usual way. Each time the hour hand crosses midnight, the date jumps forwards or backwards, depen- ding on whether the hour hand is moved forwards or backwards. CAlIbrE 1128 (fig. VI) CAlIbrE 2628 (fig. VII) CAlIbrE 3603 (fig.
  • Page 33 Operating instructions Self-winding GMT & GMT Chronograph Occasional winding: if the watch has not been worn for 44 hours (calibres 1128, 2628) or 55 hours (calibre 3603) or more, wind it up with the crown in position 1. 2. Setting the time zone: pull the crown out to position 2 and turn it. only the hour hand moves (clockwise or anticlockwise), without affecting the precision of the minutes or seconds. If the hand moves past midnight, the date changes automatically. Push the crown back to position 1. Correcting the date: pull the crown out to position 2, turn it forwards or backwards to change the date each time the hour hand passes midnight. The date moves forwards (or backwards) one day. repeat until the required date is obtained. Push the crown back to position 1. Synchronisation of the hour hand and the '24-hour' hand (calibre 1128 - fig. VI) The triangle on the rotating bezel must point to 12 o’clock on the dial. Pull the crown out to position 2 and turn it to synchronise the hour hand with the time indicated by the '24-hour' hand on the 24-hour scale on the rotating bezel. Make sure you set the hour hand in the correct half of the day! Push the crown back to position 1.
  • Page 34 Operating instructions Self-winding GMT & GMT Chronograph 3. Time setting: hours – minutes – seconds. Pull the crown to position 3. The seconds hand will stop. Turn the crown forwards or backwards. Synchronise the seconds by pushing the crown back to position 1 to coincide with a given time signal. SECOND TIME ZONE (calibre 1128 - fig. VI) Thanks to the '24-hour' hand with its triangular point, travellers can read the time back home at a glance on the 24-hour scale on the rotating bezel. In order to do so, the triangle on the bezel must point to 12 o’clock on the dial.

  • Page 35: Precision Tolerances

    Precision tolerances Mechanical watches OMEGA mechanical watches with a certified chronome- ter movement OMEGA watches bearing the chronometer inscription (in accor- dance with the certificate issued by your authorised OMEGA retai- ler) are high-precision timepieces that have passed the precision tests of the official Swiss Chronometer Testing Institute (Contrôle officiel Suisse des Chronomètres, CoSC). This neutral and independent body individually tests each move- ment for 360 consecutive hours, during which it is placed in the five common wrist positions and exposed to three different tem- peratures. Days 1, 2 3, 4 5, 6 7, 8 9, 10 Position Temperature 23°C 23°C 23°C 23°C 23°C Days 14, 15 Position 8°C 23°C 38°C 23°C Temperature To earn the title of chronometer, the mechanical movement’s ave-...
  • Page 36 OMEGA tolerances. Quartz watches All OMEGA quartz movements are produced in accordance with OMEGA’s highly renowned procedures and quality standards. Ambient temperature may affect the precision of quartz movements, which can lead to variations of between -0.5 and +0.7 seconds per day. Quartz watches with thermocompensation...

  • Page 37: Specific Sections/General Information

    Specific sections/general information Helium escape valve Your OMEGA Seamaster Professional Diver is the watch for pro- fessional and amateur divers, as well as demanding sportsmen and –women. A robust design, the new helium escape valve (exclusive OMEGA patent), together with all the protection systems, offer optimal security and reliability. In order to ensure that your watch remains watertight, we recommend that you have it checked by an authorised OMEGA partner every year. Helium escape valve (fig. 1) Why a helium escape valve? Air cannot be used for deep-sea dives, since nitrogen (a consti- tuent element of air) becomes toxic at a depth of 60 metres. Therefore, when carrying out...
  • Page 38 Specific sections/general information Helium escape valve How to use the helium escape valve? (fig. 2) In its normal position (fig. 2.1), the OMEGA helium escape valve is perfectly watertight thanks to the gaskets (B), but it is not func- tional, since it is screwed down. fig. 2.1 fig. 2.3 fig. 2.2 fig. 2 During the decompression phase, unscrew the crown of the valve in order to release the mechanism (fig. 2.2). The valve is now water- tight from the outside. As the interior pressure becomes greater than the exterior pressure, it pushes the gasket A out of its seating, thus releasing the gas (fig. 2.3). once the pressure is equalised, gasket A returns to its original position, pushed by the spring C (fig. 2.2). This operation is automatically repeated several times during the decompression phase. once atmospheric pressure is reached, screw down the crown of the valve (fig. 2.1). Note: even if the valve is unscrewed, and we recommend that the valve remains screwed down whenever the watch is immersed in water, the watch is still water resistant to 50 metres. However,...

  • Page 39: Tachymetric Scale

    Specific sections/general information Tachymetric scale To read the time, the position of the central seconds hand is used. For observations over longer periods, the indications of the totali- sers (hours and minutes) are also used. Using the tachymetric scale Example: calculating the speed of a car. record the time the car takes to cover a distance of 1 kilometre. read off the speed on the tachymetric scale indicated by the central seconds hand. In this case, the car is travelling at 120 km/hr.

  • Page 40: Adjusting The Length Of The Rubber Strap

    For your own peace of mind and convenience, we recom- mend that you have the length and position of your rubber bracelet adjusted by an authorised OMEGA service centre. When adjusting the length of the strap, the clasp should be set in its shortest position.
  • Page 41 Specific sections/general information Adjusting the length of the rubber strap 4) Insert the two spring pins in the holes in the rubber and attach the metal connector. 5) Insert the rubber sections with the connectors fitted into the steel clasp by pushing in the two spring pins. The side marked OMEGA should face the skin.

  • Page 42: Foldover Clasps

    Specific sections/general information Foldover clasps only OMEGA leather straps, specially designed for this foldover clasp, should be used. For your own peace of mind and conve- nience, we recommend that you have your new clasp fitted by an authorised OMEGA service centre. You can always adjust the length of the bracelet yourself. a) Snap-fastening foldover clasps Opening: to open your clasp, simply slide your finger or finger nail under the OMEGA fastener and pull up firmly. Closing (fig. 1/2) Place your OMEGA watch on your wrist and close the clasp by pushing with the thumb, as indicated in figure 1. Press in the direction of the arrow and not as indicated in figure 2.
  • Page 43 Specific sections/general information Foldover clasps b) Foldover clasps with pushers Opening (fig. 5): to open the clasp, press the two pushers on either side of the OMEGA buckle and pull upwards. fig. 6 fig. 5 Closing (fig. 6): put the watch on your wrist and close the clasp by pushing on it with your thumb until you hear a click. Adjusting the length (fig. 7): free the longer section of the strap by removing the two studs from the holes (fig. 3).

  • Page 44: Pictograms

    Specific sections/general information Pictograms xxxx Calibre number Palladium Co-Axial Number of diamonds and carats Self-winding Self-winding GMT & Chronometer GMT Chronograph Manual-winding Annual calendar - matic Ω  WEEE (roHS) Quartz Quartz Jump hour Easy Time Zone russian customs Change Pulsimeter Power reserve Water-resistant to Tachymeter 30 metres/100 feet Split-seconds Water-resistant to Perpetual Calendar 50 metres/167 feet Big date Water-resistant to 100 metres/330 feet Thermocompensated movement Water-resistant to 120 metres/390 feet End of battery life indicator Water-resistant to 135 metres/440 feet Sapphire crystal...

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