JLC 873

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Template:File Template:File Calibre 873 is a watch movement from Jaeger-LeCoultre in the "Eight Days" family.

Like all of Jaeger-LeCoultre's "8 Days" movements, Calibre 873 uses dual barrels to power the movement for eight days. Unlike the Jaeger-LeCoultre Duomètre, however, these barrels are integrated into a single power source rather than being split among various complications. It is a hand-winding movement made up of 213 pieces. Calibre 873 runs at 28,800 vph and has 25 jewels.

Calibre 873 is a development of Calibre 877, launched in 2003. It is closely related to Calibre 874, Calibre 875, and Calibre 878.


Calibre 873 was used in the Jaeger-LeCoultre Reverso Grande Sun Moon 8 Days.




Hand-winding movement
213 components


Hour, minute hands
Day/Night indicator at 1:30
Small seconds and moon phase subdial at 4:30
Power reserve indicator at 10:30


Height 5.3 mm
25 jewels
28,800 A/h
Power reserve 8 Days

Production period: