Cartier Ballon Bleu de Cartier 33mm 18ct Rose Gold Dial Diamond Set Bracelet Watch WJBB0077. 18ct rose gold 33mm case and fully diamond set bezel (0.68ct). cabachon sapphire crown all on an 18ct rose gold bracelet. This ladies watch has a rose sunray dial with blued steel hands and polished numerals. Water resistant up to 30m and sapphire crystal glass. Automatic movement.