Cartier Ballon Bleu White Gold Diamond Bezel Ladies Watch WE9003Z3. Quartz movement. Caliber 057. Round 18K white gold case 28.0 mm in diameter. Case thickness: 9.35 mm. Fluted crown set with a blue sapphire cabochon. 18K white gold bezel set with original Cartier factory diamonds. Scratch resistant sapphire crystal. Silver sunburst dial with Roman numerals. Blued steel sword shape hands. 18k white gold bracelet with hidden butterfly clasp. Fits 6.5" wrist.