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JLC 924

The JLC 924 is a watch full calendar automatic movement from Jaeger-LeCoultre.

Calibre 924 was a 2005 replacement for Calibre 891, which was slightly smaller and lacked the moon phase and power reserve indicators. In 2013, Calibre 866 replaced Calibre 924 after 8 years on the market. 866 was very similar to 924 but lacks a power reserve indicator.

The 924 is an automatic movement running at 28,800 vph. It has 41 jewels and a power reserve of 43 hours. It is a traditional-looking movement with central sweep hands for hour, minute, and date pointer, and a subdial for seconds and moon phase. It also has windows for day and month at 9 00 and 3 00, respectively, and a power reserve indicator at 12 00.

Jaeger-LeCoultre used this calibre in the Jaeger-LeCoultre Master Calendar.




  • Central hour, minute, date hands
  • Subdial with seconds and moon phase
  • Day and month windows
  • Power reserve indicator


  • Diameter 26 mm
  • Height 6.5 mm
  • 41 jewels
  • 28,800 A/h
  • Power reserve 43 Hours

Production period:

jlc_924.txt · Last modified: 02.12.2022 20:38 by

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