Ballon Bleu de Cartier watch, 33 mm, mechanical movement with automatic winding. Steel case, fluted crown decorated with a synthetic spinel cabochon, silvered guilloché opaline dial, Roman numerals, blued-steel sword-shaped hands, sapphire crystal, leather strap, double adjustable folding steel buckle. Case dimensions: diameter: 33 mm, thickness: 9.96 mm. Water-resistant to 3 bar (approx. 30 meters/100 feet).