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TECHNICAL DATA
Model
Reference
Calibre
Power reserve
Number of jewels
Case
Watch glasses
Display
Water-resistant
GRANDE SECONDE
GRANDE SECONDE
J0030xxxxx/J0140xxxxx/J0060xxxxx/J0040xxxxx/J0200xxxxx
Jaquet Droz 2663/2663A/2663 COSC
68 hours
30
Steel,18-karat white or red gold / Diameter: 39 mm or 43 mm
Black or white ceramic / Diameter: 44 mm
Platinum / Diameter: 43 mm
Sapphire, glareproofed
Off-centered hours and minutes at 12 o'clock
Large seconds subdial at 6 o'clock
To 3 bar (30 metres)
Grande Seconde marine to 10 bar (100 metres)
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