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Specifications
Model
Crystal frequency
Timekeeping
accuracy
Operating
temperature
range
Additional
functions
56
4386
32,768 Hz (Hz: vibrations per second)
Average monthly accuracy: ±20 seconds when worn at
normal operating temperatures between +5°C (41°F) and
+35°C (95°F)
−10°C (14°F) to +60°C (140°F)
• Lunar age display feature
Rotation cycle of the 24-hour dial: 24 hours
Lunar age dial rotary tooth ratio: 713/738 rotations per day
Lunar age dial rotation cycle: Approx. 24 hours,
50 minutes, 29 seconds
Rotation direction of the 24-hour and lunar age dials:
both right (under normal circumstances)
Lunar age display cycle: 29.52 days
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