Patek Philippe Annual Calendar Flyback Chrono 5960R-001

Patek Philippe Annual Calendar Flyback Chrono 5960R-001. 18ct rose gold case, 40.5mm in diameter.  18ct rose gold bezel, Grey dial with luminous hands and indices. Automatic movement calibre CH 28-520 IRM QA 24H. Month aperture at the 2 o’clock position, Day aperture at 10 o’clock position and date aperture at 12 o’clock position. Power-reserve of 55 hours. Sub-dial at 6 o’clock for a 12-hour and 60-minute mono-counter and day/ night indicator. Sapphire crystal case back.  Vintage brown leather strap with rose gold folding clasp with Patek logo. Box and papers dated December 2010.