Identification: Natural Blue Sapphire
Series Cosmograph Daytona Model Year 2024 Case Material 18 ct white gold
18K yellow gold 7-sided crown set with a faceted sapphire
Metal: 18k Yellow Gold Overlay
Audemars Piguet Royal Oak Perpetual Calendar Watch - 26574OR.OO.1220OR.02 Dado Identification: Natural Blue Sapphire41 mm 18K pink gold case, 9. 5 mm thick, glareproofed sapphire crystal back, screw locked crown, glareproofed sapphire crystal, blue dial with Grande Tapisserie pattern, pink gold applied hourmarkers 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 reserve.