Cartier Ballon Bleu 33mm Two-Tone Ladies Automatic Bracelet Watch W2BB0037. Stainless steel & 18ct yellow gold 33mm case and bezel all on a matching two-tone bracelet. This watch has a silver guilloche dial with blued steel hands. black roman numerals and date display at the 3 o'clock position. Sapphire crystal glass and water resistant up to 30m. Automatic movement.