The Audemars Piguet Code 11.59 Perpetual Calendar ref. 26394OR.OO.D321CR.01 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 10.9 mm, water resistant to 20 m; Dial: blue aventurine dial and subdials, 18-carat pink gold applied hour-markers and hands, lacquered blue inner bezel; Hand-stitched “large square scale” blue alligator strap with 18-carat pink gold folding clasp. Full set. Maker: Audemars Piguet. Reference: 26394OR.OO.D321CR.01. 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 aventurine dial and subdials, 18-carat pink gold applied hour-markers and hands, lacquered blue inner bezel. Bracelet/Strap: Hand-stitched “large square scale” blue alligator strap with 18-carat pink gold folding clasp. Complications: Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes.