Cal.JS20

Small Second Chronograph

Horizontal 3 Eyes

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Product Information

Category
Small Second Chronograph
Size
12 1/2’’’
Height
4.18mm
Accuracy
±20 sec per month
Battery Life
2 years
Balance Weight
Minute 0.40 μN.m
Second 0.09 μN.m
Small 0.02 μN.m
Function

Chrono 30min/sec, 24 hour

*Case Compatible with JR00, JR10, JR20

Design Sample

Case Size 38mm
Case Size 38mm
Minimum Case Size

Round 32.5mm

Minimum Case Thickness 8.68mm