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Rolex 3131

The calibre Rolex 3131 is a self-winding movement with bi-directional winding, 28,800 A/h, 31 jewels, Glucydur balance wheel with Microstella screws and Kif shock protection.

The Rolex 3131 is a new version of the Calibre Rolex 3130 with Parachrom blue-Breguet hairspring. In contrast to the calibre Rolex 3135 it lacks the date mechanism.

It is used in the Milgauss Ref. 116400.





  • 12½ lignes
  • D 28.5 mm, H 5.37 mm
  • 31 jewels
  • 28,800 A/h
  • Power reserve 48h

Production period:

rolex_3131.txt · Last modified: 02.12.2022 20:38 by

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