The 40 millimeter case holds the manually wound mechanical movement, Caliber CHR 29-535 PS Q. The movement is the facet highlighted here powering the many complications included.
Functions of the movement include a split-seconds chronograph, perpetual calendar instantaneous 30-second counter. On the dial there are day, month, leap year and day/night indication in apertures. The watchmaker includes an interchangeable full back and sapphire-crystal case back so the wearer can choose which look he or she likes the most.
About Patek Philippe
The unparalleled renown and prestige that Patek Philippe has acquired amongst connoisseurs is not due solely to the perfection of the watches and the resources of knowledge and skill contained in the workshops. This undisputed supremacy also stems from the consistency with which the company has applied its philosophy of excellence ever since it was founded in 1839. That spirit is embodied in ten values that have always represented the very essence of Patek Philippe and will continue to do so for generations to come. Discover more about Patek Philippe here.