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PP 30-255

PP 30-255 (click to enlarge!)
PP 30-255
© Patek Philippe

Calibre 30-255 PS is a manual winding watch movement from Patek Philippe.

Flat movement with 28,800 A/h, high power reserve and small seconds. It is used in the model Patek Philippe Calatrava 6119.

A special feature of the movement is its two mainspring barrels in a parallel arrangement. They relax together and engage with the central pinion, increasing the torque of the movement and allowing the deployment of a balance with twice the moment of inertia of 10 mg/cm2 (the highest of all Patek Philippe 4-Hz movements).




  • Ø 31 mm, H 2.55 mm
  • 28,800 A/h
  • 27 jewels
  • Power reserve 65 hours
  • 164 parts

Production period:

pp_30-255.txt · Last modified: 02.12.2022 20:38 by

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