Patek Philippe Annual Calendar Flyback Chronograph “Blue Dial” White Gold
Case Material: White Gold
Case Diameter: 40.5 mm
Calibre: CH 28-520 IRM QA 24H
Functions: hours, minutes, annual calendar (day, date, month), power reserve, day-and-night indication, flyback chronograph with central second and monocounter at 6 (60-minute and 12-hour)













