Calibre – 9R31

Calibre:9R31
Movement Type:Spring Drive Manual
Accuracy:±15 seconds per month (±1 sec. per day) (approx.)
Power Reserve:72 hours (3 days)
Day / Date:N/A
Key Features:– Rear Power Reserve
Additional Features:– Dual-Spring Barrel
– Shinshu Watch Studio Finishing
Jewels:30
Frequency:N/A
Release Year:2019
Battery:N/A
Manual Wind:Yes
Notes:

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