Ballon Bleu de Cartier watch, 28 mm, quartz movement. Steel case, fluted crown set with a synthetic cabochon-shaped spinel, silvered opaline dial, Roman numerals, blued-steel sword-shaped hands, sapphire crystal. Interchangeable steel bracelet. Case dimensions: diameter: 1.1”, thickness: 0.34”. Water-resistant up to 3 bar (approx. 30 meters/100 feet).