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Operating Environment| operational temperature range | -10° C to +60° C |
|---|---|
| normal temperature range | 5° C to 35° C |
| loss/gain monthly rate | ±15 seconds |
Power| battery type | SEIKO SR927SW |
|---|---|
| crystal oscillator frequency | 32, 768 Hz |
| driving system | Step motor, 3 pieces |
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