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Frequency and Timekeeping| frequency of crystal oscillator | 32, 768 Hz |
|---|---|
| loss/gain (monthly rate) | Less than 20 seconds at normal temperature range |
| operational temperature range | -5 ºC to 50 ºC |
Components| driving system | Step motor, 3 pieces |
|---|---|
| display system time | Hour, minute and second hands |
| display system date | Displayed in numerals. |
| stopwatch | Minute, second and 1/10 second hands |
Battery and IC| battery | SEIKO SR920SW, 1 piece |
|---|---|
| IC (Integrated Circuit) | C-MOS-IC, 1 piece |
Instructions for unlocking and locking the crown securely to prevent errors and enhance water resistance.
Explains how to interpret the stopwatch hands for time measurement.
Details on starting, stopping, resetting, and split time functions.
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