26545XT.OO.1240XT.01

The Audemars Piguet Royal Oak “Jumbo” Extra-Thin Selfwinding Flying Tourbillon Chronograph (RD#5) 26545XT.OO.1240XT.01 was introduced in 2025 as part of the Manufacture’s 150th anniversary celebrations. Produced in a limited edition of 150 pieces, it represents the fifth and final entry in the Research and Development series, following milestones such as the Supersonnerie, the ultra-thin perpetual calendar, the ultra-thin flying tourbillon, and the Universelle. The watch is housed in a 39mm titanium case only 8.1mm thick, with bezel, caseback, push-pieces, and crown chip executed in bulk metallic glass (BMG). The case integrates discreet, touch-inspired chronograph pushers designed for a smoother, more intuitive operation. Water resistance is 20 metres. The dial is finished with a blue Petite Tapisserie pattern, featuring chronograph counters at 3 and 9 o’clock, a flying tourbillon at 6 o’clock, and a silver-grey inner bezel. White gold luminescent bathtub-style hands and app...