We are a Hong Kong–based professional dealer specializing in luxury timepieces. The Audemars Piguet Royal Oak Flying Tourbillon Openworked “50th Anniversary” Ref. 26735ST.OO.1320ST.01 is a striking 41mm stainless steel tribute to five decades of the iconic Royal Oak. Its fully skeletonized dial showcases the selfwinding Calibre 2950, highlighted by a mesmerizing flying tourbillon at 6 o’clock and a special 50th Anniversary rotor visible through the sapphire caseback. With a 65-hour power reserve and the unmistakable octagonal bezel and integrated steel bracelet, this highly collectible reference perfectly blends heritage, innovation, and high-complication craftsmanship. Key Specifications Reference: 26735ST.OO.1320ST.01 Collection: Royal Oak Flying Tourbillon “50th Anniversary” Case: Stainless Steel Case Size: 41mm Dial: Openworked / Skeleton Movement: Selfwinding Calibre 2950 Power Reserve: Approx. 65 Hours Functions: Hours, Minutes, Flying Tourbillon Water Resistance: 50 meters Crystal: Sapphire (Front & Exhibition Caseback) Bracelet: Stainless Steel Integrated Bracelet Clasp: AP Folding Clasp Authenticity: 100% authentic and verified by our experts before shipment. Shipping: Worldwide fully insured shipping arranged promptly after payment confirmation. Buyer responsible for any applicable customs duties, VAT, or import taxes. Additional information and images are available upon request.