Cartier Ballon Bleu 18ct Rose Gold 40mm Silver Dial Automatic Bracelet Watch WGBB0039. 18ct rose gold 40mm case and bezel all on a matching 18ct rose gold bracelet. This men's watch has a silver guilloche dial with blued steel hands. black roman numerals and a date display at the 3 o'clock position. Water resistant up to 30m and sapphire crystal glass. Automatic movement.