Previously owned Patek Philippe Perpetual Calendar Chronograph gent's watch, Model # 3970P. Platinum 37mm case . Manual wind movement, Geneva Seal. Black dial with diamond hour markers. Hours, minutes, seconds, date, day, leap year, month and chronograph functions. Black Crocodile leather strap with platinum buckle. Water resistant to 30m/100ft. Perpetual calendar €“ watch will correctly adjust for short and long months as well as 28/29 days of February once every 4 years.

　　subject to availability