Cartier Ballon Bleu de Cartier

Cartier Ballon Bleu de Cartier W6900651 is a round watch with a 750/1000 rose gold case. The case is 13 mm thick. A fluted crown is set with a blue sapphire cabochon. The movement is mechanical and self-winding, with a power reserve of 40 hours. A sapphire crystal covers the lacquered silvered guilloché opaline dial, which has Roman numerals and blued-steel sword-shaped hands. The dial shows central seconds and a date aperture at 3 o'clock. Cartier rates the case to 30 metres. The watch is fitted with an alligator-skin strap and a double adjustable folding rose gold buckle.