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Frequency and Timekeeping| frequency of crystal oscillator | 32, 768 Hz |
|---|---|
| loss/gain (monthly rate) | Less than 20 seconds |
| operational temperature range | –5° C ~ +50° C |
Display and Driving System| driving system | Step motor, 3 pieces |
|---|---|
| display system | Hour, minute and second hands |
| stopwatch measurement | up to 60 minutes in 1/10 second increments |
Battery and IC| battery type | Miniature silver oxide battery SEIKO SR920SW |
|---|---|
| battery quantity | 1 piece |
| integrated circuit type | C-MOS-LSI |
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