tourbillon escapement
screw-locked crown and pushpieces
blue inner bezel
37 mm 18K white gold case set with 860 brilliant-cut diamonds (includes bracelet)
approximately 44 hours of power reserve
Audemars Piguet Royal Oak Perpetual Calendar Watch - 26584OR.OO.1220OR.01 Black tourbillon escapement41 mm 18K pink gold case, 9. 5 mm thick, sapphire crystal back, screw locked crown, pink gold toned dial with Grande Tapisserie pattern, blue counters, pink gold applied hour markers and Royal Oak hands with luminescent coating, pink gold toned inner bezel, Manufacture Calibre 5134 selfwinding movement with perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes, approximately 40 hours of power