Ronde Louis Cartier watch, 36 mm, Manufacture self-winding mechanical movement, caliber 1847 MC. Case in 18K pink gold, pearly crown set with a cabochon sapphire, silver flinqué dial, blued steel pomme hands, sapphire crystal, semi-matt brown alligator strap, 18 mm pink gold ardillon buckle 18 carat, sapphire crystal case back. Thickness 9 mm. Waterproof up to 30 meters.