(55715) Patek Philippe Perpetual Calendar Chronograph, 5270, 5270 G, 5270G-001, the first series variation of the 5270G, 18K white gold with an 18K white gold deployant buckle, manual wind Patek Philippe caliber CH 29-535 PS Q, perpetual calendar, leap year indicator, day / night indicator, 65-hour power reserve, silver dial, charcoal hands / markers, sapphire crystal, display back. Diameter: 41mm, Thickness: 12.4mm. Like new with ...