Patek Philippe Grand Complications Perpetual Calendar Chronograph (5270G001) manual wind watch, features a 41mm 18k white gold case surrounding a silver dial on a black alligator strap with an 18k white gold Calatrava Cross deployant buckle. Functions include hours, minutes, seconds, date, chronograph, day, day/night indicator, moon phase and perpetual calendar. This watch comes complete with the original box and papers. We back this watch with a 2-Year WatchBox warranty!