This Patek is 40.5 mm rose gold case, 12.53 mm thick, sapphire-crystal back, screw-down crown, sunburst blue dial with gold applied hour markers with luminescent coating, caliber CH 28-520 C FUS self-winding movement with flyback chronograph, central chronograph hand, 60-minute counter, two time zones: local and home time indication, day/night indication for local time and home time in apertures, date coupled with local time by hand, approximately 45-55 hours of power reserve, rose gold bracelet, Nautilus fold-over clasp buckle. Water resistant to 120 m.