bezel set with 40 brilliant-cut diamonds (~0
blue dial with openworked at 6
the mainplate of the movement acts as the dial with white indications
blue inner bezel
18K white gold bezel
Audemars Piguet Royal Oak Perpetual Calendar Watch - 26574BA.OO.1220BA.01 Opal bezel set with 40 brilliant-cut41 mm 18K yellow gold case, 9. 5 mm thick, glareproofed sapphire crystal back, screw locked crown, glareproofed sapphire crystal, blue dial with Grande Tapisserie pattern, yellow gold applied hour markers and Royal Oak hands with luminescent coating, blue inner bezel, Manufacture 5134 selfwinding movement with perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes, approximately 40 hours of power