Jaeger-LeCoultre
Calibre 657
Quartz
Specifications
- Maker
- Jaeger-LeCoultre
- Type
- Quartz
- In-house
- Not stated
- Power reserve
- Not found in sources
- Frequency
- Not found in sources
Sources
- Official Jaeger-LeCoultre retrieved October 16, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Jaeger-LeCoultre Reverso Classic Monoface 40.1 × 24.4 mm (calibre 657) Q2518140 | 24.4 mm | 7.56 mm | 40.1 mm |
| Jaeger-LeCoultre Reverso Classic Monoface 35.78 × 21 mm Q2618540 | 21 mm | 7.4 mm | 35.78 mm |