Floating Daytona
Cosmograph Daytona 6240 — Floating Daytona
Uses the floating-Daytona dial layout of the 6239, suggesting existing dials were reused for the new reference.
Estimated at approximately 1,700 examples.
Identifying details
- Screw-down pushers
Chronograph pushers that screw down onto the case for water resistance.
- Tachymeter
Variants of 6240
Reference overview →| Variant | Production |
|---|---|
| Small Daytona | Undated |
| Big Daytona | Undated |
| Floating DaytonaCurrent | c. 1967 |
| Oyster Signature | Undated |
Case & movement
- Reference
- 6240
- Production
- c. 1967
- Case serials
- Case material
- Stainless steel
- Case diameter
- 37.5 mm
- Water resistance
- 100 m
- 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