The Audemars Piguet Royal Oak Selfwinding "50th Anniversary" Rose Gold Diamond Green Dial 37mm ref. 15551OR.ZZ.1356OR.03 celebrates half a century of horological excellence with a bold yet refined design. Crafted from 18-carat pink gold, this 37mm timepiece features a bezel set with 40 brilliant-cut diamonds (~0.92 carat), framing the striking khaki green "Grande Tapisserie" dial. The dial is adorned with pink gold applied hour markers and luminescent Royal Oak hands, ensuring clear readability. Powered by the selfwinding Calibre 5900, this watch delivers a 60-hour power reserve and precision performance. The case is just 9.1mm thick and features a glareproof sapphire crystal and caseback for durability and elegance. The integrated 18-carat pink gold bracelet with an AP folding clasp completes the seamless design. With water resistance up to 50m, this 2022 release embodies the evolution of the Royal Oak collection while marking its milestone anniversary.