Audemars Piguet Tourbillon Extra-Thin Openworked

The Royal Oak Tourbillon Extra-Thin Openworked, reference 26518OR.OO.1220OR.01, has an octagonal 41mm case in 18-carat pink gold with an integrated rose gold bracelet. The case measures 8.95mm thick and is fitted with a glareproofed sapphire crystal, revealing the openworked dial and skeletonized tourbillon movement beneath. It houses the manual winding calibre 2924, which combines hours, minutes and a tourbillon complication with a power reserve of 70 hours. Water resistance is rated to 20 metres.