145.022-74
Speedmaster Moonwatch 145.022 — 145.022-74
1974–?
Replaced the -71 at the end of 1974; the step disappears from the dial.
Identifying details
- Baton hands
Straight white stick hour and minute hands, as on the Moonwatch.
- Dot next to ninety (DNN)
Later tachymetre insert with the dot beside the 90.
- “Professional” dial
“Professional” printed under the Speedmaster name.
Variants of 145.022
Reference overview →| Variant | Production |
|---|---|
| 145.022-68 | 1968–1969 |
| 145.022-69 | 1969–1971 |
| 145.022-69 · 145.022-69, Dot Over Ninety | Undated |
| 145.022-69 · 145.022-69, Dot Next To Ninety | Undated |
Case & movement
- Reference
- 145.022
- Production
- 1974–?
- Case serials
- Case material
- Stainless steel
- Case diameter
- 42 mm
- Crown
- 7 mm
- Movement
- Manual winding
- Caliber
- Omega 861 — Delrin brake from about 32.8M
Dial, bezel & hands
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.