====== JLC 909 ======
{{wst>image_r|JLC 909|Calibre JLC 909/1-440C\\ © [[Jaeger-LeCoultre]]}}

**Calibre 909** is an [[automatic]] [[alarm]] movement from [[Jaeger-LeCoultre]].

Introduced in [[2005]], Calibre 909 was used in the [[Jaeger-LeCoultre Master Grand Réveil|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


{{wst>template_jaeger-lecoultre_alarm_calibres}}


{{tag>Movements Jaeger-LeCoultre_calibres Jaeger-LeCoultre_Memovox_calibres Automatic_movements Alarm_movements Automatic_alarm_movements Double_barrel_movements Perpetual_calendar_movements}}