Ronde Croisière de Cartier watch, 42 mm, Manufacture self-winding mechanical movement, caliber 1847 MC. Steel case, steel bezel with ADLC coating, fluted crown set with a black synthetic spinel cabochon, silvered dial, steel black sword-shaped hands, sapphire crystal, black calfskin strap, double adjustable folding steel buckle, calendar aperture at 3 o’clock. Case dimensions: diameter: 42 mm, thickness: 9.7 mm. Water-resistant to 10 bar (approx. 100 meters / 330 feet).