Case material: Yellow gold; Charge: Automatic; Conditions: Used Presentation condition : With dealer guarantee ; Model: Grand Complications Perpetual Price on request Gmtbroker Reference: 5040J An 18k Yellow Gold Tonneau Perpetual Calendar Gents Wristwatch, silver dial with applied Breguet style arabic numbers, month and leap year indicator at 3 0'clock, date and moonphase aperture at 6 0'clock, day and am/pm indicator at 9 0'clock, a fixed 18k yellow gold bezel, a  brand new   original black leather strap with an original 18k yellow gold deployant clasp, sapphire glass, exhibition caseback, automatic movement, in excellent condition, comes with an original Patek Philippe box, an additional 18k yellow gold caseback, our own certificate of authenticity and our own one year warranty.