Audemars Piguet Code 11.59 Perpetual Calendar ref. 26394OR.OO.D027KB.01 showcases a 41mm 18-carat pink gold case with glareproofed sapphire crystal and caseback. The striking blue aventurine dial evokes a star-lit sky, complemented by 18-carat pink gold applied hour markers and hands, along with lacquered blue inner bezel detailing. Water-resistant to 20 meters, it is powered by a self-winding perpetual calendar movement and comes on a blue rubber-coated strap with an 18-carat pink gold pin buckle, combining astronomical complication with refined modern elegance.