145.037
Speedmaster Mark II Mark II (remote timer) 145.037 — 145.037
Undated
Example with movement 30,588,857 on the 1202/205 bracelet.
Identifying details
- Chronograph
Stopwatch function with registers.
Variants of 145.037
Reference overview →| Variant | Production |
|---|---|
| 145.037Current | Undated |
Case & movement
- Reference
- 145.037
- Production
- Undated
- Movement serials
- from c. 30.59M
- Case diameter
- 41 mm
- Movement
- Manual winding
- Caliber
- Omega 861
Dial, bezel & hands
Unknown attributes are left out rather than guessed.
Movement
Omega 861
Lemania-based hand-wound chronograph that replaced the 321 in 1968: a cam (shuttle) instead of a column wheel, a higher beat and cheaper to make. A Delrin brake replaced the steel one in the early 1970s; gold plating replaced copper around 1987–1990, and an 18th jewel was added in 1992.