18 jewels38h power reserve21,600 vph (3 Hz)
Caliber 842 is a hand-wound movement manufactured by Jaeger-LeCoultre. It displays hours and minutes on both the dial and case back, with the time indications identical on both sides. A moon phase complication appears on the reverse side. The movement comprises 129 components.
Last updated 13 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
18 jewels
Power Reserve
38h
Frequency
21,600 vph (3 Hz)
Height
4.19mm
Display Type
Analog
Winding
Manual
COMPLICATIONS
Moon Phase
QUICK FACTS
FOR WATCH DEALERS
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