Knowledge Center

Professional Authentication Platform

Rolex 3155

Probable

The generation at which BOTH day and date became quick-set, completing the progression from the 1555 (neither) through the 3055 (date only). That progression is a clean dating tool on a Day-Date and it requires nothing but the crown: which of the two complications will advance without running the hands to midnight places the watch in one of three generations.

Specifications

Movement manufacturer
Rolex
Frequency
28,800 vph (4 Hz)
Winding
automatic
Complications
Centre seconds · Date · Day · Double quickset

Architecture

Automatic with day and date, both quick-set, in the 31xx generation. The Day-Date caliber.

Related calibers

References using this caliber

Provenance of this record

Sources & Evidence

Secondary sourceCollector research

Rolex collector research on caliber transitions, dial generations and case marks

Rolex Forums, VRF and allied collector communities

Accessed
2026-08-18

Cited for

This referenceProbable

Last verified: Not yet reviewed