Audemars Piguet Royal Oak Selfwinding "50th Anniversary" Ref. 15550SR.OO.1356SR.01 The Audemars Piguet Royal Oak Selfwinding "50th Anniversary" ref. 15550SR.OO.1356SR.01 has a 37 mm stainless steel case and 18-carat pink gold bezel and the self-winding Calibre 5900. - Self-winding Calibre 5900, 60 h power reserve - Functions: hours, minutes, centre seconds and date - Case: stainless steel case and 18-carat pink gold bezel, glareproofed sapphire crystal and caseback. Diameter 37 mm, thickness 9 mm, water resistant to 50 m - Dial: silver-toned dial with “Grande Tapisserie” pattern, pink gold applied hour-markers and Royal Oak hands with luminescent coating - Stainless steel bracelet with 18-carat pink gold links, AP folding clasp Full set. Maker: Audemars Piguet. Reference: 15550SR.OO.1356SR.01. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.