Audemars Piguet Selfwinding Perpetual Calendar Ultra-Thin (RD#2)

The Royal Oak Selfwinding Perpetual Calendar Ultra-Thin (RD#2), reference 26586IP.OO.1240IP.01, has an octagonal 41mm titanium case with an integrated titanium bracelet. At 6.2mm thick, it houses the automatic calibre 5133, which drives a perpetual calendar with moon phase display alongside hours and minutes. The blue dial is fitted with a glareproofed sapphire crystal.