Rolex 4130

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Calibre 4130 is an automatic chronograph movement by Rolex.

Overview

Self-winding chronograph movement, rotor bi-directional winding, 28,800 A/h, 44 jewels, Kif shock protection, power reserve 72 hours.

The movement has been developed for the model Cosmograph Daytona, in which a modified El Primero chronograph movement by Zenith (called Rolex 4030) had been used before.

This was the first movement to use Rolex's Parachrom hairspring alloy when introduced in 2000.

Description:

Self-winding movement, bi-directional winding
Escapement: Stone lever
Yoke winding system
Parachrom blue-Breguet hairspring (since ca. 2005)
Kif shock protection for balance wheel and escape wheel
Chronometer certificate (COSC)
Column wheel calibre

Functions:

Hours, Minutes, small seconds, date
Chronograph
Hacking seconds

Data:

13½ lignes
D 30.5 mm, H 6.5 mm
44 jewels
28,800 A/h
Power reserve 72h

Production period:

Since 2000