Jaeger-LeCoultre
Calibre 738
Automatic
Specifications
- Maker
- Jaeger-LeCoultre
- Type
- Automatic
- In-house
- Yes
- Power reserve
- 70 h
- Frequency
- 28,800 vph (4 Hz)
Sources
- Official Jaeger-LeCoultre retrieved October 22, 2026
Maker's data sheet
Figures Jaeger-LeCoultre publishes for the movement.
- Jewels
- 39
- Movement height
- 4.97 mm
- Power reserve
- 70 h
- Frequency
- 28,800 vph (4 Hz)
- Official Jaeger-LeCoultre retrieved October 25, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Jaeger-LeCoultre Master Control Chronometre Date Power Reserve Q4168120 | 39 mm | 9.2 mm | — |