Omega
Calibre 9904
Automatic chronograph
Specifications
- Maker
- Omega
- Type
- Automatic chronograph
- In-house
- Yes
- Power reserve
- 60 h
- Frequency
- 28,800 vph (4 Hz)
Sources
- Official Omega retrieved October 14, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Omega Speedmaster Moonphase 44.25 mm 304.30.44.52.01.001 | 44.25 mm | 16.9 mm | 50 mm |