Cartier Rotonde de Cartier Reversed Tourbillon Watch - 46 mm - W1556246

46mm 18K white gold case, 12.73mm thick, sapphire back, beaded 18K white gold crown set with a blue sapphire cabochon, 18K white gold bezel, sapphire crystal, silver dial, caliber 9458 manual-winding movement with blued-steel sword-shaped hands, approximately 50 hours of power reserve, black alligator skin strap, double adjustable folding buckle. Water resistant to 3 bar.