This is an authentic CARTIER 18K Yellow Gold Stainless Steel 31mm Must De 21 Watch. This stylish watch is 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.