All the best mark of them, Patek Philippe, presents a new automatic stop watch in a large platinum case (40.5mm, at least for PPP this is large ), ref. 5960P.

The movement is new automatic gauge CH28-520 IRMQA24H with 40 jewels, a reservation of 55 hours power and a column-wheel of rapid return, an indicator of reservation of power, an annual calendar, and posting of day/night. The rotor is gold 21kt. And, like all the mechanical movements of Patek Philippe, this new gauge was allotted the prestigious joint of Geneva.

The patented annual calendar of Patek Philippe is a full calendar which automatically identifies months with 30 and 31 days and, supposing that the watch functions always, only the needs to be manually corrected once per annum on March 1. It shows the day of the week, the date, and the month in three openings, and it also orders the indicator of day/night at 6 a.m. Its modular concept increases the range of the applications of the new gauge of stop watch, providing the future latitude for additional functions.