Rolex 2236

Confirmed

The caliber in which Rolex introduced the Syloxi hairspring. Its arrival is the dividing line between the 179174-era and 279174-era Lady-Datejust references.

Specifications

Movement manufacturer: Rolex
Production: 2014–present
Frequency: 28,800 vph (4 Hz)
Power reserve: 55 hours
Winding: automatic
Complications: Centre seconds · Date
Certification: Superlative Chronometer (COSC + Rolex certification after casing)

Architecture

Small-diameter automatic with date and the Syloxi silicon hairspring.

Related calibers

Preceded by
Rolex 2235

References using this caliber

Rolex 278274Factory
Datejust · Whole production
Rolex 279174Factory
Datejust · Whole production
Rolex 268621Factory
Yacht-Master · 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

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Last verified: Not yet reviewed