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Frequency and Accuracy| frequency of crystal oscillator | 32, 768 Hz |
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| loss/gain (monthly rate) | ±15 seconds |
Operating Environment| operational temperature range | −10°C to +60°C |
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| normal temperature range | 5°C to 35°C |
Power| power source | secondary battery, 1 piece |
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| duration of operation (without power save) | approximately 6 months |
| duration of operation (with power save) | approximately 2 years |
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