The Audemars Piguet Royal Oak Selfwinding ref. 15500ST.OO.1220ST.02 has a 41 mm stainless steel case and the self-winding Calibre 4302. Self-winding Calibre 4302, 70 h power reserve; Functions: hours, minutes, centre seconds and date; Case: Stainless steel case, glareproofed sapphire crystal and caseback, screw-locked crown. Diameter 41 mm, thickness 10.5 mm, water resistant to 50 m; Dial: slate grey dial with “Grande Tapisserie” pattern, white gold applied hour-markers and Royal Oak hands with luminescent coating; Stainless steel bracelet with AP folding clasp. Full set. Maker: Audemars Piguet. Reference: 15500ST.OO.1220ST.02. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request. Case Size: 41mm. Case Material: Stainless steel case. Movement: Automatic — Calibre 4302. Dial: Slate grey dial with “Grande Tapisserie” pattern, white gold applied hour-markers and Royal Oak hands with luminescent coating. Bracelet/Strap: Stainless steel bracelet with AP folding clasp. Complications: Hours, minutes, centre seconds and date.