■PRECAUTION REGARDING CASE BACK PROTECTIVE FILM
If your watch has a protective film and/or a sticker on the case back, be sure to peel them off before using your watch. Otherwise, perspiration getting in under them may rust the case back.
■PERIODIC CHECK
It is recommended that the watch be checked once every 2 to 3 years. Have your watch checked by an AUTHORIZED SEIKO DEALER or SER- VICE CENTER to ensure that the case, crown, gasket and crystal seal remain intact.
SPECIFICATIONS
1. | Frequency of crystal oscillator | 32,768 Hz (Hz = Hertz … Cycles per second) |
2. | Loss/gain (monthly rate) | Less than 15 seconds at normal temperature |
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| range (5°C ~ 35°C) (41°F ~ 95°F) |
3. | Operational temperature range | |
4. | Driving system | Step motor |
5. | Additional function | Second setting device, date setting device, |
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| forewarning function and overcharge |
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| prevention function. |
6. | Duration of life |
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| Full charge | 3 days on average. |
| 15 hours on average. | |
7. | Capacitor | Button type capacitor, 1 piece. |
8. | IC (Integrated Circuit) |
*The specifications are subject to change without prior notice, for product improve- ment.