The Audemars Piguet Code 11.59 Ultra-Complication Universelle RD#4 (Ref. 26398BC.OO.D002CR.02) is a masterpiece of horological engineering, combining a Grande Sonnerie with Supersonnerie, minute repeater, perpetual calendar, split-seconds chronograph, flyback chronograph, and a floating tourbillon. Housed in a 42mm 18K white gold case, it features a skeletonized dial that showcases the intricate movement. The watch is powered by the Caliber 1000SQ automatic movement, offering a power reserve of approximately 64 hours. It is water-resistant up to 20 meters and comes with a black alligator leather strap with a matching 18K white gold folding clasp. This exceptional timepiece is available at Audemars Piguet boutiques and AP Houses, with a price of CHF 1.6 million.