310.30.42.50.01.001
Current
Omega · Speedmaster
Speedmaster Professional Moonwatch
- Diameter
- 42 mm
- Movement
- Manual
Omega caliber
Sourced specifications: manual winding, 50-hour power reserve, and 21,600 vph. Watchfari lists 1 reference using the Omega 3861. Every sourced case diameter here is 42 mm. Every sourced movement here is manual. All sourced cases are stainless steel. The sourced production start year is 2021.
Omega · Speedmaster