Table of Contents
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You are now the proud owner of a SEIKO Radio Wave Controlled
Worldtimer Cal. 7B26. For best results, please read the instructions
in this booklet carefully before using your SEIKO Analogue Quartz
Watch. Please keep this manual handy for ready reference.
Sie sind jetzt stolzer Besitzer einer SEIKO Funk-Weltzeituhr Kal. 7B26.
Bitte lesen Sie diese Bedienungsanleitung vor der Verwendung der Uhr
sorgfältig durch und heben Sie sie gut auf.
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Table of Contents
Related Manuals for Seiko 7B26
Summary of Contents for Seiko 7B26
- Page 1 You are now the proud owner of a SEIKO Radio Wave Controlled Worldtimer Cal. 7B26. For best results, please read the instructions in this booklet carefully before using your SEIKO Analogue Quartz Watch. Please keep this manual handy for ready reference.
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Page 2: Table Of Contents
ABNORMAL DISPLAY OR IMPROPER FUNCTION (HOW TO RESET THE BUILT-IN IC)... 56 SPECIFICATIONS ... 60 TROUBLESHOOTING ... 62 For the care of your watch, see “TO PRESERVE THE QUALITY OF YOUR WATCH” in the attached Limited Warranty and Instruction Booklet. -
Page 3: Features
The calendar adjusts odd and even months including February in leap years. ■ TIME ZONE ADJUSTMENT The watch can be set to local time in a different time zone by selecting a time zone. ■ AUTOMATIC HAND ALIGNMENT When the hand positions display incorrect time as a result of the influence of various external sources, the watch automatically corrects the hand alignment itself. -
Page 4: The Screw Lock Type Crown
H: High reception level (Time zone adjustment) L: Low reception level *Button B is recessed N: Unable to receive in the watch case to prevent accidental * Refer to “MANUAL input. Refer to RECEPTION” on pages “HOW TO USE BUTTON B”... -
Page 5: The Screw Lock Type Crown
HOW TO USE BUTTON B Button B is recessed in the watch case to prevent accidental input. Types of buttons differ depending on the design of the watch. HOW TO PRESS BUTTON B Button B is covered except for the T h e u p p e r h a l f o f B u t t o n B i s hollow in the middle of the button. -
Page 6: Charging The Solar Battery
*The table above is only provided as an approximation. ★ The figures in the table above refer to the time required to charge the stopped watch by exposure to light until the watch moves at steady one-second intervals, through two-second intervals and five-second intervals. -
Page 7: Checking The Charging Status By The Movement Of The Second Hand
*1. If the second hand is stopped even after the watch is sufficiently charged, refer to "TROUBLESHOOTING" on pages 64-65. *2. After the watch receives a radio signal, when the date is incorrect even if the correct time is displayed, check that the calendar is set to the preliminary position (refer to “PRELIMINARY POSITION CHECKING... -
Page 8: Power Save Function
* When the watch returns to its normal movement, the watch hands rotate rapidly to display the current time. After the watch hands are set to the current time, the correct date is displayed. -
Page 9: Overcharge Prevention Function
"time required for fully charging the watch.” *Refer to “STANDARD CHARGING TIME” on page 11 to check the time required for fully charging the watch. WARNING... - Page 10 <When the hand positions move out of alignment > ・Strong shocks can cause misalignment of the hand positions T he hand positions may move out of alignment due to strong shocks to the watch when the watch is dropped or Radio-controlled hits against a hard surface.
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Page 11: How To Check The Reception Result
This radio-controlled watch enables the wearer to check the reception result of radio signals. - HOW TO CHECK THE RECEPTION RESULT…pages 28-29 * If the watch is set to a time zone outside radio signal reception range, manual reception cannot be conducted (refer to“TIME ZONE DISPLAY” on pages 36-39). -
Page 12: Radio Signal Reception Range
The United States (WWVB) * The watch may fail to receive radio signals depending on the reception conditions (weather, geographic locations, radio disturbances such as tall buildings, and orientation of the watch). Refer to “APPROPRIATE PLACE TO KEEP A RADIO-CONTROLLED WATCH"" on page 30. - Page 13 The reception range from the transmitting station is approximately 1,00 km (1,00 km radius of Fort Collins radio station). There are four time zones within the reception range. *If the reception conditions are good, the watch may be able to receive radio signals outside the reception range. JAPAN (JJY) The reception range from each transmitting station is approximately 1,000 km (1,000 km radius of each station).
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Page 14: Manual Reception
(refer to “APPROPRIATE PLACE TO KEEP THE WATCH” on page 30). *2. After the watch receives a radio signal, when the date is incorrect even if the correct time is displayed, the calendar may be out of the preliminary position (refer to “PRELIMINARY POSITION CHECKING AND SETTING FOR THE CALENDAR”... -
Page 15: How To Check The Reception Result
The result of the last reception attempt of either automatic or manual reception is displayed. If the reception was successful, the second hand points to Y (Yes: the 10 second position). 1. The watch displays if the reception is successful or not for 5 seconds. If the reception has failed,... -
Page 16: Appropriate Place To Keep A Radio-Controlled Watch
Whether the watch succeeds in receiving radio signals or not depends on the weather or receiving conditions. CONDITIONS IN WHICH THE WATCH MAY BE UNABLE TO RECEIVE RADIO SIGNALS - Inside a building, between - Close to overhead power lines,... -
Page 17: Time Zone Adjustment
HOW TO USE THE TIME ZONE ADJUSTMENT FUNCTION The watch can be set to local time in a different time zone easily by selecting a time zone. The watch can receive the standard frequencies of Germany, the United States, and Japan to set the precise time and date. -
Page 18: What Is A Time Zone
[What is summer time (DST)?] Summer time is daylight saving time. Advancing the watch one hour to prolong daytime during longer daylight hours in summer. Daylight saving time has been adopted in about 80 countries, mainly in Europe and North America. The adoption and duration of daylight saving time vary depending on the country. - Page 19 “ ◎ ” mark which is 1 hour ahead can be selected to set the precise time. Either automatic or manual reception is also available in these time zones if the watch is within the reception range (refer to “HOW TO SET SUMMER TIME”...
- Page 20 “ ◎ ” mark which is 1 hour ahead can be selected to set the precise time. Either automatic or manual reception is also available in these time zones if the watch is within the reception range (refer to “HOW TO SET SUMMER TIME”...
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Page 21: How To Set The Time Zone
*Refer to “TIME ZONE DISPLAY” on pages 36-39. Select the time zone to set the watch to the local time in the desired area. While summer time is in effect, select the time zone 1 hour ahead. Press Button A or B to select a time zone. - Page 22 In the case where a summer time change automatically functions <Ex. 1> In Germany, your watch is used in an environment where the reception state is good. (Automatic reception, etc., can be made.) After automatically changing to summer time, reception was successful.
- Page 23 Q: When the watch is moved to a different time zone, is the time automatically changed to the time of the area? A: The watch will not be automatically set to the local time if it is just moved to a place in a different time zone. Select the time zone where you are when you travel.
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Page 24: Examples Of Time Zone Adjustment
Select the time zone "TOKYO” which belongs to the Japan Standard Time. The watch can receive the standard frequency of Japan. Leave the watch to receive radio signals to set it to the precise time. If the watch... - Page 25 Select the time zone "HONOLULU” which belongs to the standard time in Hawaii. Since Hawaii is outside the reception range, the watch cannot receive radio signals to set it to the precise time automatically. If the watch...
- Page 26 Press Button A or B The hour and minute to select the time zone hands start advancing “PARIS/BERLIN.” rapidly to set the watch to the local time in Germany *While the date numerals in the calendar window are moving, the buttons and crown cannot be operated.
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Page 27: How To Manually Set The Time And Date
Pressing Button A advances the hands clockwise only. The watch moves depending on the quartz movement (loss/gain: ±1 seconds per month). After the manual time setting, if the watch successfully receives a time signal, the watch displays the time based on the time information it receives. - Page 28 *When the date numerals are misaligned in the calendar window, the position of the date numerals can be adjusted. Refer to “PRELIMINARY POSITION CHECKING AND SETTING FOR THE CALENDAR” on pages 58-59. The watch enters the date Press Button A to set the date. setting mode while the...
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Page 29: Abnormal Display Or Improper Function (How To Reset The Built-In Ic)
ABNORMAL DISPLAY OR IMPROPER FUNCTION HOW TO RESET THE BUILT-IN IC When the watch shows an abnormal display or does not properly function, or it does not move at one-second intervals even after being sufficiently charged, follow the instructions below to reset the built-in IC. - Page 30 PRELIMINARY POSITION CHECKING AND SETTING FOR THE CALENDAR If the date is incorrect after the built-in IC is reset or the watch succeeds to receive a proper radio signal, the calendar may be out of the preliminary position. The watch resumes its normal movement if it is left untouched for 10 seconds.
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Page 31: Specifications
6 Duration of operation Approximately 6 months (Fully charged, the Power Save is not activated) *If the Power Save is activated after it is fully charged, the watch continues to run for approximately one year and a half. 7 Time setting by receiving a radio signal Automatic reception (2:00 AM, 3:00 AM, and 4:00 AM;... -
Page 32: Troubleshooting
Refer to “STANDARD CHARGING TIME” on page 11 to recharge the watch. Be careful not to conceal the watch under a sleeve. When taking the watch off, place the watch in as bright a location as possible. (Make sure that the watch temperature is always kept below 60 ºC.) Refer to “POWER SAVE FUNCTION”... - Page 33 IN WHICH THE WATCH MAY BE UNABLE TO RECEIVE RADIO SIGNALS” on page 31. Check the time zone that the watch is currently set for, and select the time zone where you want to set the watch. For details, refer to “TIME ZONE ADJUSTMENT” on page 33.
- Page 34 When the watch returns to normal temperature, the condition will be corrected. Conduct manual reception if necessary. For details, refer to “MANUAL RECEPTION” on pages 26-27. If the watch hands are not set to current time even after conducting manual reception, consult the retailer from whom the watch was purchased.
- Page 35 Small amount of water has got inside the watch due to deterioration of the gasket, etc. *For the solution of troubles other than the above, consult the retailer from whom the watch was purchased. Solution After checking whether the calendar is set to the preliminary position, perform the preliminary position settings for calendar.
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