Spring Drive - Calibers

Calibers

Early models, manual wind and 48h power reserve:

• 7R68 : 30 jewels, date.
• 7R78 : 30 jewels, date.
• 7R88 : 30 jewels, date.
• 7R99 : 32 jewels.

Current calibers, with standard features. Time accuracy: monthly rate within ±15 sec (equivalent to a daily rate of ±1 sec) and power reserve (72h) indicator.

• 5R64 : 32 jewels, date, small seconds hand.
• 5R65 : 30 jewels, date.
• 5R66 : 30 jewels, date, GMT.
• 5R67 : 30 jewels, Moon Phase indicator.
• 5R86 : 50 jewels, date, GMT, Chronograph.
• 7R06 : 88 jewels, Sonnerie.
• 9R65 : 30 jewels, date.
• 9R66 : 30 jewels, date, GMT.
• 9R86 : 50 jewels, date, GMT, Chronograph.