Rolex 1556
ProbableA 1803 may correctly carry either the 1555 or the 1556 depending on where in its long production run it was built. Neither is a finding against the other, and the catalog does not assert a changeover year because the sources do not settle one.
Specifications
- Movement manufacturer
- Rolex
- Frequency
- 19,800 vph (2.75 Hz)
- Winding
- automatic
- Complications
- Centre seconds · Date · Day
Architecture
Automatic with day and date; the higher-beat execution that succeeded the 1555 within the same family.
Related calibers
Related caliber
Rolex 1555Succeeded by
Rolex 3055
References using this caliber
- Rolex 1803Factory
Day-Date · 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