This is an authentic CARTIER 18k Gold Stainless Steel 24mm Must de 21 Watch. This bold watch features a round case in stainless steel with 18 karat gold accents including link detailing, and gold Roman numerals on the steel bezel. The watch features quartz movement and is a magnificent timepiece with the classical style only from Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.