Audemars Piguet Royal Oak Offshore Selfwinding - Music Edition Ref. 15601BC.YY.D343CA.01 The Audemars Piguet Royal Oak Offshore Selfwinding - Music Edition ref. 15601BC.YY.D343CA.01 has a 43 mm 18-carat white gold case and the self-winding Calibre 4309. - Self-winding Calibre 4309, 70 h power reserve - Functions: hours, minutes and centre seconds - Case: 18-carat white gold case, bezel set with red to blue baguette-cut gemstones, glareproofed sapphire crystal and caseback, screw-locked crown. Diameter 43 mm, thickness 14.4 mm, water resistant to 100 m - Dial: blue aventurine dial with VU meter set with gemstones, white gold applied hour-markers and Royal Oak Offshore hands with luminescent coating - Blue rubber strap with 18-carat white gold AP folding clasp and interchangeable strap system. Additional turquoise blue, yellow and green rubber strap Full set. Maker: Audemars Piguet. Reference: 15601BC.YY.D343CA.01. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.