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Rolex 4030

Rolex 4030 is a calibre by Rolex.

This self-winding chronograph movement bases on the calibre El Primero by Zenith (Calibre Zenith 400) and has been modified by Rolex.

The fast-oscillating Zenith calibre has been clocked down from 36,000 A/h to 28,800 A/h and has been provided with a Breguet hairspring and with microstella screws.

It was used in the model Rolex Oyster Perpetual Cosmograph Daytona till 2000. Afterwards it was replaced by the Rolex-own development Rolex 4130.





  • 13¾ lignes
  • D 31.0 mm, H 6.55 mm
  • 31 jewels
  • 28,800 A/h
  • Power reserve 50h

Production period:

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rolex_4030.txt · Last modified: 11.10.2021 21:09 (external edit)

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