Rolex 727
ProbableFitted to the 6263 and 6265. The beat rate is the practical distinction from the earlier 722 executions and is measurable on a timing machine without disassembly, which makes it a useful cross-check against the reference and the case serial on a watch whose caseback has been changed.
Specifications
- Movement manufacturer
- Rolex
- Base caliber
- Valjoux 72
- Frequency
- 21,600 vph (3 Hz)
- Winding
- manual
- Complications
- Chronograph · Column wheel · 30-minute counter · 12-hour counter
Architecture
The higher-beat execution of the Valjoux 72 base used in the later manually wound Daytona references.
Related calibers
Built on
Valjoux 72Preceded by
Rolex 722
References using this caliber
- Rolex 6263Factory
Daytona · Whole production
- Rolex 6265Factory
Daytona · Whole production
Provenance of this record
Sources & Evidence
Secondary sourceSpecialist publication
Dowling, James M. & Hess, Jeffrey P. — The Best of Time: Rolex Wristwatches
Schiffer Publishing
- Published
- 2006-01-01
Cited for
This referenceProbable
Last verified: Not yet reviewed