Solo Rolex
Cosmograph Daytona Solo Rolex Quicksilver 6239 — Solo Rolex
c. 1964–1968
Only “Rolex” at twelve, without “Cosmograph”, printed lower than usual towards the hands. Silver sunray dial with black registers. Among the rarest Daytona dials; only a handful known.
About 14,000 made, a few hundred of them in gold, per auction and collector estimates.
No verified image of this watch yet
Identifying details
- Pump pushers
Plain push-piece chronograph pushers, not screwed down.
- Tachymeter bezel
Tachymeter scale engraved on the rather than the dial.
Variants of 6239
Reference overview →| Variant | Production |
|---|---|
| First Series, Double Swiss | 1963–c. 1964 |
| First Series, Double Swiss · Underline Double Swiss | 1963 |
| First Series, Double Swiss · Double Swiss, No Underline | 1963 |
| First Series, Double Swiss · Double T Swiss T | 1963–1964 |
Case & movement
- Reference
- 6239
- Production
- c. 1964–1968
- Case material
- Stainless steel
- Case diameter
- 36.5 mm
- Water resistance
- 50 m
- Crystal
- Acrylic
- Movement
- Manual winding
- Date
- No
More specifications (1)
Movement
Valjoux 722
Rolex-modified Valjoux 72 at 18,000 vph, fitted to the 6238, 6239, 6240 and 6241. Described by one editorial as adding a Breguet overcoil and a free-sprung, variable-inertia balance.
Manual winding · 18,000 vph · 17 jewels