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Frequency and Accuracy| frequency of crystal oscillator | 32, 768 Hz |
|---|---|
| loss/gain (monthly rate) | Less than 15 seconds |
| accuracy of alarm | ±1 minute |
Operating Environment| operational temperature range | –10°C ~ +60°C |
|---|---|
| normal temperature range | 5°C ~ 35°C |
Power and Components| driving system | Step motor, 4 pieces |
|---|---|
| battery | SEIKO SR927W, 1 piece |
| IC (Integrated Circuit) | C-MOS-LSI |
Instructions for adjusting ALARM hands to the main time and setting the desired alarm time.
Procedure for engaging and disengaging the watch alarm, including manual stop and cancellation.
Guide on checking initial settings and resetting stopwatch hands to the zero position.
Details standard, accumulated elapsed time, and split time measurement procedures.
Instructions for timing two competitors using the stopwatch functions.
How to use the tachymeter scale to measure the hourly average speed of a vehicle.
Explains using the tachymeter to calculate the average number of jobs accomplished per hour.
Details water resistance levels for various activities and indications on the case back.
Effects of temperature extremes and magnetism on watch performance and accuracy.
Advice on avoiding damage from shocks and procedures for case and bracelet care.
List of chemicals to avoid and precautions regarding the case back protective film.
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