Rolex 4161

High confidence

Recorded with a thin specification. Rolex published little distinguishing it from the 4160, and the catalog does not manufacture a distinction it cannot source.

Specifications

Movement manufacturer: Rolex
Frequency: 28,800 vph (4 Hz)
Winding: automatic
Complications: Regatta countdown chronograph · Mechanical memory · Programmable

Architecture

The revised regatta chronograph caliber for the Yacht-Master II, succeeding the 4160.

Related calibers

Preceded by
Rolex 4160

References using this caliber

Rolex 116680Factory
Yacht-Master II · Whole production
Rolex 116681Factory
Yacht-Master II · Whole production
Rolex 116688Factory
Yacht-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

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Last verified: Not yet reviewed