The Audemars Piguet Royal Oak Chronograph "50th Anniversary" Rose Gold Blue Dial 41mm Ref. 26240OR.OO.D315CR.01 celebrates five decades of iconic design with updated features and exceptional craftsmanship. This 41mm chronograph features an 18-carat pink gold case with a glareproof sapphire crystal and screw-locked crown, ensuring durability and water resistance up to 50m. The “Bleu Nuit, Nuage 50” dial showcases the signature “Grande Tapisserie” pattern, complemented by pink gold applied hour markers and luminescent Royal Oak hands for enhanced readability. Three matching subdials complete the elegant design. At its heart, the self-winding Calibre 4401 movement powers the watch, offering a 70-hour power reserve, integrated chronograph with flyback function, and a column wheel mechanism. The sapphire caseback reveals the exclusive “50-years” oscillating weight. Paired with a blue alligator leather strap and an 18-carat pink gold AP folding clasp, this timepiece exemplifies sophistication and precision engineering for collectors and enthusiasts alike.