105.003-63
Speedmaster Pre-Professional Ed White 105.003 — 105.003-63
First caseback year. NASA tested two -63s before selecting the Speedmaster for Gemini.
Identifying details
- Baton hands
Straight white stick hour and minute hands, as on the Moonwatch.
- Dot over ninety (DON)
Black “Base 500” tachymetre insert with the dot printed above the 90.
Variants of 105.003
Reference overview →| Variant | Production |
|---|---|
| 105.003-63Current | 1963–1966 |
| 105.003-64 | 1964–1966 |
| 105.003-64 · 105.003-64, Blue Bezel | Undated |
| 105.003-65 | 1966–1969 |
Case & movement
- Reference
- 105.003
- Production
- 1963–1966
- Movement serials
- c. 20.52M–20.53M
- Case material
- Stainless steel
- Case diameter
- 39.7 mm
- Crown
- 7 mm
- Crown guards
- None
- Movement
- Manual winding
More specifications (1)
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