Audemars Piguet Royal Oak Selfwinding Chronograph Ref. 26240BC.OO.1320BC.01 The Audemars Piguet Royal Oak Selfwinding Chronograph ref. 26240BC.OO.1320BC.01 has a 41 mm 18-carat white gold case and the self-winding Calibre 4401. - Self-winding Calibre 4401, 70 h power reserve - Functions: flyback chronograph, hours, minutes, small seconds and date - Case: 18-carat white gold case, glareproofed sapphire crystal and caseback, screw-locked crown. Diameter 41 mm, thickness 12.4 mm, water resistant to 50 m - Dial: purple dial with “Grande Tapisserie” pattern, purple counters, white gold applied hour-markers and Royal Oak hands with luminescent coating - 18-carat white gold bracelet with AP folding clasp. Additional purple rubber strap Full set. Maker: Audemars Piguet. Reference: 26240BC.OO.1320BC.01. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.