Jaeger-LeCoultre
Calibre 866
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 16, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Jaeger-LeCoultre Master Control Calendar Q4148120 | 40 mm | 10.95 mm | — |