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Explains how the second hand indicates the number of years since the last leap year.
Describes how the watch displays the current month and date.
Lists essential checks to perform before diving with the watch.
Provides guidelines on watch operation and care during diving.
Details rinsing and drying procedures after diving to prevent damage.
Provides specific tips and warnings for accurate time and date setting.
Offers important details to ensure correct calendar checking and avoid errors.
Information on leap seconds and how to adjust the watch accordingly.
Explanation of the luminous paint, its properties, and optimal charging.
Provides reference data for light conditions required to charge LumiBrite effectively.
Guidance on replacing the watch battery and recommended service.
How to interpret the second hand movement as an indicator of battery life.
Ensuring the calendar functions correctly after battery replacement.
Explains how the second hand indicates the number of years since the last leap year.
Describes how the watch displays the current month and date.
Lists essential checks to perform before diving with the watch.
Provides guidelines on watch operation and care during diving.
Details rinsing and drying procedures after diving to prevent damage.
Provides specific tips and warnings for accurate time and date setting.
Offers important details to ensure correct calendar checking and avoid errors.
Information on leap seconds and how to adjust the watch accordingly.
Explanation of the luminous paint, its properties, and optimal charging.
Provides reference data for light conditions required to charge LumiBrite effectively.
Guidance on replacing the watch battery and recommended service.
How to interpret the second hand movement as an indicator of battery life.
Ensuring the calendar functions correctly after battery replacement.
Operating Environment| operational temperature range | –10° C ~ +60° C |
|---|---|
| magnetic resistance | 4, 800 A/m |
| water resistance depth | 200 m |
Power| battery type | SEIKO CR2412 |
|---|---|
| battery quantity | 1 piece |
| battery life indicator | Yes |
Timekeeping| frequency of crystal oscillator | 196, 608 Hz |
|---|---|
| annual loss/gain rate | ± 20 seconds |
| monthly loss/gain rate | Approximately 4 seconds |
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