tourbillon escapement
41 mm 950 platinum case
black ceramic pushpieces and screw-locked crown
10mm stainless steel case
sapphire dial with black and white transfer counters
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