The Audemars Piguet Royal Oak Double Balance Wheel Openworked Yellow Gold 41mm ref. 15407BA.OO.1220BA.01 combines technical innovation with bold aesthetics. Its 41mm case and integrated bracelet are crafted from 18-carat yellow gold, offering a striking contrast to the blackened openworked movement visible through the sapphire crystal. Powered by the selfwinding Calibre 3132, this watch features a patented double balance wheel mechanism that enhances stability and precision. With a 45-hour power reserve, it delivers exceptional performance. The blackened inner bezel, yellow gold applied hour markers, and luminescent Royal Oak hands ensure optimal readability while maintaining the watch's distinct visual appeal. At just 10.1mm thick and water-resistant to 50m, the Royal Oak Double Balance Wheel is designed for versatility and durability. The 18-carat yellow gold bracelet, secured by an AP folding clasp, completes the look of this sophisticated openworked timepiece, making it a standout addition to Audemars Piguet's iconic Royal Oak collection.