The Audemars Piguet Royal Oak 15400ST.OO.1220ST.01 is an iconic luxury timepiece renowned for its bold octagonal bezel with eight visible screws and integrated stainless steel bracelet—a design pioneered by Gérald Genta in 1972. This reference features a 39mm stainless steel case, brushed and polished finish, and the signature black 'Grande Tapisserie' dial with white gold applied hour markers and hands. The self-winding Calibre 3120 automatic movement offers 60-hour power reserve and displays date at 3 o’clock. Its robust yet elegant construction ensures durability and refined wearability, making it suitable for both formal occasions and sophisticated daily wear. The watch exemplifies Swiss haute horlogerie with meticulous attention to detail—visible in the Geneva stripes on the movement (through sapphire caseback) and the precise execution of the iconic ‘Mega Tapisserie’ pattern. Paired with its distinctive bracelet featuring AP’s signature ‘H-link’ design, it delivers exceptional comfort and seamless wrist integration. Ideal for collectors and connoisseurs seeking timeless design fused with mechanical excellence.