Movement

Calibre CH 29-535 PS

Patek Philippe's first fully in-house manual chronograph calibre, presented in 2009 in the ref. 5170.

Presented
2009

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2 directions from here

  1. Found insideRef. 5270The perpetual chronograph built on it.Reference
  2. Influenced byThe Stern familyA result of Patek's push to go fully in-house.Person

Films on Calibre CH 29-535 PS