The Audemars Piguet Code 11.59 Tourbillon Openworked (Ref. 26600NB.OO.D346KB.01) is a limited edition timepiece that seamlessly blends 18K white gold with blue ceramic, creating a contemporary two-tone case. Its skeletonized design showcases blue openworked bridges and main plate, visible from both sides, reflecting the case's color scheme. This model is part of a limited edition of 50 pieces, emphasizing its exclusivity and craftsmanship.