105.002-62
Speedmaster Pre-Professional 105.002 — 105.002-62
Undated
Begins with the alpha hands of the 2998-62 and changes to baton hands during the run; either hand set may be found on any serial. Some late examples run to 20.525M.
Phillips estimates 2,000–2,600 pieces.
Identifying details
- Dot over ninety (DON)
Black “Base 500” tachymetre insert with the dot printed above the 90.
- Applied Omega logo
Raised metal Omega symbol on the dial, rather than a printed one.
- Step dial
Variants of 105.002
Reference overview →| Variant | Production |
|---|---|
| 105.002-62Current | Undated |
| 105.002-62 · 105.002-62, Alpha Hands | Undated |
| 105.002-62 · 105.002-62, Baton Hands | Undated |
| 105.002-63 | Undated |
Case & movement
- Reference
- 105.002
- Production
- Undated
- Movement serials
- c. 19.58M–19.83M
- Case material
- Stainless steel
- Crown
- 7 mm
- Crown guards
- None
- Movement
- Manual winding
- Caliber
- Omega 321
Dial, bezel & hands
Movement
Omega 321
Hand-wound column-wheel chronograph of Lemania origin (Lemania 27 CHRO C12 / 2310 family), used by Omega from 1946 to 1968 and in every Speedmaster up to the 145.012. Early examples have a symmetrical clutch bridge; later ones an asymmetrical bridge.
Manual winding · Introduced 1946 · 18,000 vph · 17 jewels · Ø 27 mm