Family: 8xx34 jewels70h power reserve28,800 vph (4 Hz)
The Jaeger-LeCoultre Caliber 866 is an in-house automatic movement introduced in 2006 as part of the Master collection. It features a GMT complication, allowing simultaneous tracking of a second time zone. The caliber remains in production and serves as the base for several Master Geographic models.
Last updated 13 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
34 jewels
Power Reserve
70h
Frequency
28,800 vph (4 Hz)
Height
6.15mm
Display Type
Analog
COMPLICATIONS
GMT
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2006CALIBER FAMILY
8xxALSO KNOWN AS
cal. 866jlc 866
FOR WATCH DEALERS
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