Previously owned Patek Philippe Perpetual Calendar gent's watch, Model # 3945/1J. 18kt yellow gold 36mm case.18k yellow gold bezel. Automatic movement, Calibre 240 Q, 27 jewels, Gyromax balance, 22k gold minirotor. Silver matte dial, applied gold faceted baton numerals. Day and 24-hour indication, month and leap years, date and moon phases. Two-part case in 18k gold, snap on case back. 18k yellow gold bracelet will fit up to 7 1/2" wrist . 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. 100% original and in great condition. This timepiece comes in our presentation box.

　　subject to availability