With its caliber CH 29-535 PS,
yet again delivers proof of its expertise in chron-
ography. It is a manually wound chronograph
movement developed entirely in-house over a
period of five years. Despite the fact that the caliber
is built on the basis of traditional principles, it
incorporates several patented innovations and
technical refinements that improve the function-
ality and dependability of the chronograph. As a
shining example of the uncompromising quality
philo sophy upheld by Patek Philippe, it stands out
with technical perfection and supreme artisanship.
MECHANICAL
EMINENCE
Patek Philippe
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