Rolex 3255
ConfirmedThe caliber of the current Day-Date 36 and 40. Its 70-hour reserve distinguishes it from the 3155 generation on the bench, which is useful because the two generations of Day-Date are visually close and the reference number is on a caseback that comes off.
Specifications
- Movement manufacturer
- Rolex
- Production
- 2015–present
- Frequency
- 28,800 vph (4 Hz)
- Power reserve
- 70 hours
- Winding
- automatic
- Complications
- Centre seconds · Date · Day · Double quickset
- Certification
- Superlative Chronometer (COSC + Rolex certification after casing)
Architecture
Current-generation day-date caliber with the Chronergy escapement, Parachrom hairspring and Paraflex shock absorbers.
Related calibers
Preceded by
Rolex 3155
References using this caliber
- Rolex 128238Factory
Day-Date · Whole production
- Rolex 128239Factory
Day-Date · Whole production
- Rolex 128235Factory
Day-Date · Whole production
- Rolex 228238Factory
Day-Date · Whole production
- Rolex 228239Factory
Day-Date · Whole production
- Rolex 228235Factory
Day-Date · Whole production
- Rolex 228206Factory
Day-Date · Whole production
Provenance of this record
Sources & Evidence
Primary sourceManufacturer documentation
Rolex — Perpetual movements (official technical pages)
Rolex SA
- Accessed
- 2026-08-18
Cited for
This referenceConfirmed
Last verified: Not yet reviewed