The Audemars Piguet Royal Oak Perpetual Calendar ref. 26574OR.OO.1220OR.03 has a 41 mm 18-carat pink gold case and the self-winding Calibre 5134. Self-winding Calibre 5134, 40 h power reserve; Functions: perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes; Case: 18-carat pink gold case, glareproofed sapphire crystal and caseback. Diameter 41 mm, thickness 9.5 mm, water resistant to 20 m; Dial: blue dial with “Grande Tapisserie” pattern, blue counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezel; 18-carat pink gold bracelet with AP folding clasp. Full set. Maker: Audemars Piguet. Reference: 26574OR.OO.1220OR.03. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request. Case Size: 41mm. Case Material: 18-carat pink gold case. Movement: Automatic — Calibre 5134. Dial: Blue dial with “Grande Tapisserie” pattern, blue counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezel. Bracelet/Strap: 18-carat pink gold bracelet with AP folding clasp. Complications: Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes.