ETA
Calibre Valjoux 7750 Flyback
Automatic chronograph
Specifications
- Maker
- ETA
- Type
- Automatic chronograph
- In-house
- Not stated
- Power reserve
- Not found in sources
- Frequency
- 28,800 vph (4 Hz)
Sources
- Official Sinn retrieved October 19, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Sinn 910 SRS 910 SRSDiscontinued | 41.5 mm | 15.1 mm | — |