Movements

Calibre 3863

Self-winding
Moon phases
Perpetual Calendar
Running equation of time
Power reserve in hours 72 hours
Calibre diameter 26.80 mm
Calibre thickness 5.25 mm
Jewels 39
2 mainspring barrels
Entirely hand-decorated movement
Glucydur free sprung balance
Components 397
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Calibre 3863

3863
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Key models

6638-3431-55B6638-3631-55B