Caliber: J101.65 (quartz, radio-controlled)
Functions: Automatic radio-controlled time setting, app integration (Oct 2018), jumping time zone setting, perpetual calendar, date.
Diameter: 28mm
Thickness: 3.85mm
Power Reserve: Two years (battery)
Frequency: 32.768 Hz
Jewels: 6
Additional Details: Three motors, bi-directional hand movement, accurate to 0.02 seconds on radio sync or +/- 8 seconds a year in quartz mode.
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