Case material: White gold; Charge: Automatic; Conditions: Used Year : 2012; Presentation condition : With boxes and all papers; Model: Quantieme Perpetuel Calendar Price on request Gmtbroker Reference: 25911BC.OO.D002CR.01. Pre-owned 18ct White Gold Audemars / Edward Piguet Perpetual Calendar 25911BC.OO.D002CR.01. 29mm x 49mm 18ct White gold case. Silver “Flame” Dial with perpetual calendar sub-dials showing the day, date, moon phases, month and leap years. Sapphire crystal glass and case-back. Automatic movement with 40 hour power reserve. Black crock strap with deployment clasp.