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Rolex 4130

High confidence

Replaced the Zenith El Primero-based caliber 4030 in the Daytona. The change is a hard dating boundary for the model and one of the more useful single facts about the reference: a Daytona presented as pre-2000 with a 4130 inside is describing two different watches.

Specifications

Movement manufacturer
Rolex
Production
2000–?
Frequency
28,800 vph (4 Hz)
Jewels
44
Power reserve
72 hours
Winding
automatic
Complications
Chronograph · Centre seconds · Small seconds
Balance
Free-sprung Glucydur balance, Microstella nuts, full balance bridge
Certification
Officially Certified Chronometer (COSC)

Architecture

In-house integrated chronograph with a vertical clutch and column wheel, designed with a markedly reduced part count compared with the modular chronographs it replaced.

Related calibers

References using this caliber

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 sourceSpecialist publication

Dowling, James M. & Hess, Jeffrey P. — The Best of Time: Rolex Wristwatches

Schiffer Publishing

Published
2006-01-01

Cited for

This referenceHigh confidence

Last verified: Not yet reviewed