Cartier Ballon Bleu de Cartier 33mm 18ct Rose Gold Diamond Set Bracelet Watch WJBB0066. 18ct rose gold 33mm case and fully diamond set bezel (0.94ct). cabachon sapphire crown all on an 18ct rose gold bracelet. This ladies watch has a silvered guilloche dial with blued steel hands and black numerals. Water resistant up to 30m and sapphire crystal glass. Automatic movement.