Omega
Calibre 3861
Manual-winding chronograph
Specifications
- Maker
- Omega
- Type
- Manual-winding chronograph
- In-house
- Yes
- Power reserve
- 50 h
- Frequency
- 21,600 vph (3 Hz)
Sources
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Omega Speedmaster First OMEGA in Space 310.30.40.50.06.001 | 39.7 mm | 13.4 mm | 48 mm |
| Omega Speedmaster Moonwatch Professional (Hesalite) 310.30.42.50.01.001 | 42 mm | 13.5 mm | 47.5 mm |
| Omega Speedmaster Moonwatch Professional (sapphire) 310.30.42.50.01.002 | 42 mm | 13.2 mm | 47.5 mm |