Audemars Piguet Selfwinding Flying Tourbillon Openworked "50ᵀᴴ Anniversary"

The Royal Oak Selfwinding Flying Tourbillon Openworked "50ᵀᴴ Anniversary", reference 26735ST.OO.1320ST.01, is housed in a 41mm octagonal stainless steel case with an integrated steel bracelet, standing 10.6mm thick. Its openworked dial exposes the skeletonized calibre 2972, a selfwinding movement that combines hours, minutes and a flying tourbillon. The case is fitted with glareproofed sapphire crystal, allowing an unobstructed view of the exposed mechanics.