Cartier Ballon Bleu de Cartier 28mm Two-Tone Diamond Bezel Watch WE902079. Stainless steel & 18ct rose gold 28mm case and diamond set bezel (0.48ct) all on a steel bracelet. This ladies watch features a silver dial with blued steel hands and black hour numerals. Water resistant up to 30m and sapphire crystal glass. Quartz movement.