Cartier Ballon Bleu de Cartier 28mm Diamond Dial & Bezel Ladies Watch W4BB0034. Stainless steel 28mm case and diamond set bezel (0.48ct) all on a steel bracelet. This ladies watch features a silver sun-brushed dial with 21 diamonds set across (0.10ct). Water resistant up to 30m and sapphire crystal glass. Quartz movement.