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, day, date, month, chronograph, moon phase, leap year indicator and perpetual calendar. This watch comes complete with box and papers.