How to use



Main specifications


Specifications and contents are subject to change without prior notice.

TypeAnalog solar-powered watch
Timekeeping accuracy
(without reception)
Average monthly accuracy: ±15 seconds when worn at normal operating temperatures between +5°C (41°F) and +35°C (95°F)
Operating temperature range‒10°C (14°F) - +60°C (140°F)
Display functionsTime: Hours, minutes, seconds, 24-hour
Calendar: Date, day of week
DurationWhen fully charged, the watch runs without additional charging:
with the power save function deactivated: Approximately 6 months
with the power save function activated: Approximately 10 months
Power reserve upon insufficient charge warning function: Approximately 2 days
BatteryRechargeable cell (lithium button cell), 1pc.


The “Duration” on the table is based on the condition that the 60-minute chronograph measurement and time signal reception (automatic reception) are executed once a day.

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Additional functions


Additional functions

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