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When an abnormal display (broken digits, etc.) appears, follow the procedure below. The built-in IC will be reset and the watch will resume normal operation.
HOW TO RESET THE IC
Be sure to press buttons A, B, C, and D at the same time for 2 to 3 seconds. The display will become blank, and then “Sun ’06 1-1 A12:00" will be displayed.
Set the time and calendar before using the watch.
* Please note that if the IC is reset, all the stored data will be deleted.
HOW TO RESET THE BUILT-IN IC
The miniature battery which powers your stopwatch should last approximately 3 years (or approximately 7 years if the automatic shut-off function is activated). However,
because the battery is inserted at the factory to check the function and performance of the stopwatch, its actual life once in your possession may be less than the specified
period. When the battery expires, be sure to replace it as soon as possible to prevent any malfunction. For battery replacement, we recommend that you contact an
AUTHORIZED SEIKO DEALER and request a SEIKO CR2032 battery.
● For Cal. S056, if the stopwatch is used for more than 3 hours a day, the confirmation sound for button operation rings more than 50 times a day, the battery life may
be less than the specified period.
● For Cal. S057, if the stopwatch is used for more than 3 hours a day, the Double Repeat Timer function is used more than 5 times a day, and the confirmation sound
for button operation rings more than 50 times a day, the battery life may be less than the specified period.
● Battery life indicator
1. Frequency of crystal oscillator ............. 32,768Hz (Hz = Hertz … Cycles per second)
2. Accuracy ................................................ 0.0012% or 30 seconds per month at normal temperature (25º C 3º C)
3. Operational temperature range ........... –10º C - +60º C
4. Desirable temperature range of use .... 0º C - +50º C
5. Display system
TIME/CALENDAR display............... Hour, minutes, seconds, year, month, date and day of the week
(The calendar automatically adjusts for odd and even months including February of leap years from January 1, 2006 to December 31, 2055.)
STOPWATCH display ..................... 2 rows of digital displays and a dot matrix display (5 x 35 dots)
Hour, minutes, seconds and 1/100 seconds (Measures up to 100 hours.)
LAP TIME display/ LAP TIME IN PROGRESS display/SPLIT TIME display
Up to 100 sets of lap times and split times can be stored in memory.
TIMER display (Cal. S057)............. Timer 1 and Timer 2 displays
Hour, minutes, seconds, the number of times the countdown was repeated and the number of times the countdown is to be repeated.
6. Display medium .................................... Nematic Liquid Crystal, FEM (Field Effect Mode)
7. Battery .................................................... SEIKO CR2032, 1 piece
8. Battery life.............................................. Approximately 3 years (or approximately 7 years if the automatic shut-off function is activated)
9. IC (Integrated Circuit) ............................ C-MOS-LSI, 1 piece
10. Battery life indicator
* The specifications are subject to change without prior notice for product improvement.
* Even though the display is flashing, time accuracy is not affected.
When all the segments of the display start flashing in the TIME/CALENDAR display, or when “ ” mark starts flashing in other displays, the stopwatch may run down in 2 to 3
days. We suggest that you have the battery replaced by a SEIKO DEALER.
BATTERY CHANGE
SPECIFICATIONS