Audemars Piguet Royal Oak Grand Complication Openworked 26582CB.OO.1225CB.01 Crafted in white ceramic, this ultra-exclusive Royal Oak Grand Complication is a feat of technical mastery. The skeletonized dial reveals the hand-finished Calibre 2885, which combines a perpetual calendar, minute repeater, and split-seconds chronograph — the pinnacle of horological complications. At 44mm, this timepiece merges contemporary material innovation with centuries-old watchmaking savoir-faire, all housed in AP’s iconic Royal Oak design. Produced in extremely limited numbers, it’s a grail watch for the most discerning collectors.