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Operating Environment| operational temperature range | –10 °C to 60 °C |
|---|---|
| loss/gain (monthly rate) | ±15 seconds at 5 °C to 35 °C |
| continuous operating time from full charge | Approximately 6 months |
Power| power supply | Manganese titanium-lithium rechargeable battery |
|---|---|
| energy depletion forewarning function | Yes |
| overcharging prevention function | Yes |
Timekeeping| frequency of crystal oscillator | 32, 768 Hz |
|---|---|
| driving system | Step motor 4 pieces |
| IC (Integrated Circuit) | C-MOS-IC, 1 piece |
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