ETA
Calibre Valjoux 23
Manual-winding chronograph
Specifications
- Maker
- ETA
- Type
- Manual-winding chronograph
- In-house
- Not stated
- Power reserve
- Not found in sources
- Frequency
- 18,000 vph (2.5 Hz)
Sources
- Official Sinn retrieved October 19, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Sinn 2300 2300Discontinued | 38 mm | 11 mm | — |