JLC 909: Difference between revisions
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Latest revision as of 15:17, 23 July 2021
Calibre 909 is an automatic alarm movement from Jaeger-LeCoultre.
Introduced in 2005, Calibre 909 was used in the Master Grand Réveil, a limited-edition watch. Special features included a perpetual calendar, 24 hour function, and switchable alarm on a bronze gong or just vibration.
Specifications
- 30 mm diameter, 8.3 mm thick
- 28,800 A/h
- Glucydur balance, automatically compensating hairspring
- Double barrel (time and alarm)
- Bidirectional automatic winding for time
- Manual winding for alarm
- 36 jewels
- Alarm hammer on bronze gong or vibration
- Power reserve of 45 hours
- 349 components