Cartier Ballon Bleu de Cartier Watch - 33 mm Steel Case - Black Alligator Strap - W6920085 Colibri it features a screw-down back

it features a screw-down back and crown fortified by a triplock triple waterproofness system

Perfectly adapted to the constraints of modern life

durability

At its heart lies the 4131 manufacture Rolex perpetual movement—a mechanical chronograph driven by self-winding technology

Cartier Ballon Bleu de Cartier Watch - 33 mm Steel Case - Black Alligator Strap - W6920085 Colibri it features a screw-down back33 mm by 9. 96. mm thick stainless steel case, stainless steel fluted crown set with a blue synthetic spinel cabochon, sapphire crystal, silver dial with Roman numerals and blued steel hands, caliber Cartier 076 automatic movement, black alligator strap. Water resistant to 30 meters.