Cartier Rotonde de Cartier Astrotourbillon Watch - 47 mm Pink Gold Case - W1556205

47mm 18K pink gold case, 15.5mm thick, sapphire back, circular grained crown set with a sapphire, sapphire crystal, silvered dial with guilloche silvered upper and lower dials, black transferred Roman numerals with satin-brushed sunray finish, caliber 9451 MC manual movement, approximately 48 hours of power reserve, brown alligator strap, double adjustable deployant buckle in 18K pink gold. Water resistant to 30 meters.