Ballon Bleu de Cartier watch 36 mm Self-winding mechanical movement Rose gold 750/1000 case set with 54 brilliant-cut diamonds totaling 0.78 carats Fluted crown decorated with a cabochon sapphire Matt silvered stamped sunray dial set with 21 brilliant-cut diamonds totaling 0.19 carats Blued-steel sword-shaped hands Sapphire crystal Burgundy alligator leather strap Rose gold 750/1000 ardillon buckle Thickness: 0.47”. Water-resistant up to 3 bar (approx. 30 meters/100 feet)