Jaeger-LeCoultre
Calibre 381
Manual winding
Specifications
- Maker
- Jaeger-LeCoultre
- Type
- Manual winding
- In-house
- Yes
- Power reserve
- 50 h
- Frequency
- 21,600 vph (3 Hz)
Sources
- Official Jaeger-LeCoultre retrieved October 22, 2026
Maker's data sheet
Figures Jaeger-LeCoultre publishes for the movement.
- Jewels
- 40
- Movement height
- 7.25 mm
- Power reserve
- 50 h
- Frequency
- 21,600 vph (3 Hz)
- Official Jaeger-LeCoultre retrieved October 25, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Jaeger-LeCoultre Duometre Quantième Lunaire (pink gold) Q604242J | 42 mm | 13.58 mm | — |