Cartier Ballon Bleu 42mm Two-Tone Men's Automatic Bracelet Watch W2BB0039. Stainless steel & 18ct yellow gold 42mm case and bezel all on a matching two-tone bracelet. This men's 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.