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Rolex 3155

The Rolex 3155 was the sixth-generation Day-Date movement from Rolex.


Introduced in 1988, Cal. 3155 replaced Cal. 3055 in the famous Rolex Day-Date range. It is an automatic movement running at 28,800 A/h and a certified chronometer.

Basing on the calibre Rolex 3135, with additional day of week indication. Cal. 3155 is used in the Day-Date Ref. 118000 and remained in production until 2019. Cal. 3155 was updated with a Parachrom hairspring by 2013.

The larger Rolex 3156 was used in the Rolex Day-Date II. The new Rolex Day-Date 40, launched in 2015, uses the next-generation Cal. 3255, as does the next-generation Day-Date 36, launched in 2019.





  • 12½ lignes
  • D 28.5 mm, H 6 mm
  • 31 jewels
  • 28,800 A/h
  • Power reserve 48h

Production period:

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rolex_3155.txt · Last modified: 11.10.2021 21:09 (external edit)

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