The Audemars Piguet Royal Oak GMT Tourbillon Concept (ref. 26580IO.OO.D010CA.01) is a men's watch with a 44 mm octagonal case in ceramic and titanium. It has a grey, skeletonized and white dial under sapphire crystal.
It is powered by the hand-wound mechanical calibre 2930 with a power reserve of 237 hours. Functions: Chronograph, second time zone, tourbillon. Water-resistant to 100 m. The watch is fitted with an integrated rubber strap with a folding clasp in titanium.
