Rolex 3186

Probable

The caliber of the ceramic GMT-Master II references and of late 16710 production. Because the changeover fell inside the 16710's run, finding a 3186 in one is correct and finding a 3185 is equally correct; neither settles a date on its own.

Specifications

Movement manufacturer: Rolex
Frequency: 28,800 vph (4 Hz)
Winding: automatic
Complications: Centre seconds · Date · Independent local hour hand

Architecture

The 3185 rebuilt around a Parachrom hairspring, retaining the independent local hour hand and date.

Related calibers

Succeeded by
Rolex 3285
Preceded by
Rolex 3185
Related caliber
Rolex 3187

References using this caliber

Rolex 16570Factory
Explorer II · Whole production
Rolex 16710Factory
GMT-Master II · Whole production
Rolex 116710LNFactory
GMT-Master II · Whole production
Rolex 116710BLNRFactory
GMT-Master II · Whole production
Rolex 116718LNFactory
GMT-Master II · 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 referenceHigh confidence

View source ↗

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