Cartier Rotonde De Cartier Calendar Aperture and Power Reserve Watch - 40 mm Steel Case - W1556369

40mm steel case, 8.94mm thick, sapphire back, fluted crown with a synthetic cabochon-shaped spinel, silvered guilloche, steel bezel, sapphire crystal, silver dial set with apple-shaped hands in blued steel, caliber 9348 MC manual-winding movement with calendar aperture at 12 o'clock, apple-shaped hands in blued steel, black alligator skin strap, folding buckle. Water resistant to 3 bar.