Highly sought after discontinued gents Patek Philippe Perpetual Calendar with Chronograph in 18K rose gold, Ref#5970R. On original reptile strap with 18K rose gold deployant buckle, sapphire case back, square chronograph pushers, case diameter 40mm. Manually wound movement, chronograph functions, am/pm indicator, perpetual calendar with day, date, month and leap year functions. Silver dial with applied stick hour markers; tachymetric scale on outer edge of the dial. Box and un-named and un-dated papers. Excellent condition and unpolished. This watch was manufactured in March 2006.