After it was launched in January 2006, the Patek Philippe Annual Calendar Chronograph Ref. 5960 replica watch instantly became a bestseller among Patek Philippe’s complications. With its patented Annual Calendar and Patek Philippe’s proprietary self-winding chronograph movement, it offers functions that are very useful in everyday situations. Now, this technical opus, previously available only in platinum, also comes in a case made of 18K rose gold.
Developed and manufactured in-house, the self-winding CH 28-520 IRM QA 24H chronograph caliber addressed an expectation long harbored by many aficionados and collectors of rose gold Patek Philippe Annual Calendar copy timepieces. Beating at 28,800 semi-oscillations per hour (4 hertz), it maintains an extremely constant balance amplitude and high rate accuracy. The winding power is generated by a unidirectional central rotor in solid 21K gold. In addition to the normal time indication, the movement stands out with numerous features. It has a flyback column-wheel chronograph, a power-reserve indicator, an Annual Calendar with day, date, and month, and a day/night indicator.
Because of its low-wear design and the absence of any negative influence on the rate accuracy of the watch, the chronograph hand can be used as a continuously running seconds hand without hesitation.With its classic column wheel and a vertical disk clutch, the movement combines the traditional chronograph control concept with a modern power transmission solution. It offers high functional reliability and eliminates the danger of hand bounce when the chronograph is activated.
The patented mens faek Patek Philippe Annual Calendar is a full-function calendar that automatically recognizes months with 30 and 31 days and when kept running only needs to be corrected by hand once a year on March 1. It displays the day, date, and month in three apertures and controls the day/night indicator at 6 o’clock.