Audemars Piguet Royal Oak Selfwinding "50th Anniversary" Ref. 15510OR.OO.1320OR.02 The Audemars Piguet Royal Oak Selfwinding "50th Anniversary" ref. 15510OR.OO.1320OR.02 has a 41 mm 18-carat pink gold case and the self-winding Calibre 4302. - Self-winding Calibre 4302, 70 h power reserve - Functions: hours, minutes, centre seconds and date - Case: 18-carat pink gold case, glareproofed sapphire crystal and caseback, screw-locked crown. Diameter 41 mm, thickness 10.5 mm, water resistant to 50 m - Dial: black dial with “Grande Tapisserie” pattern, pink gold applied hour-markers and Royal Oak hands with luminescent coating - 18-carat pink gold bracelet with AP folding clasp Full set. Maker: Audemars Piguet. Reference: 15510OR.OO.1320OR.02. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.