Patek Philippe CHR 29-535 PS

Caliber CHR 29-535 PS is a manually wound chronograph movement manufactured by Patek Philippe. Introduced in 2015 at BaselWorld, it is the split-seconds (chronographe à rattrapante) variant of the CH 29-535 PS base movement. The split-seconds mechanism allows simultaneous timing of two events with independent start and stop functions. This caliber powers contemporary Patek Philippe chronograph collections.