DR Cartier Tant Must tank series. The Tank Must watch draws inspiration directly from the Tank Louis Cartier watch, and the line outline is closer to the historical watch. The lugs of the Tank Must are full and round, and the proportion of the dial has been re-considered, and the slim and unique design runs through The main line looks more refined! The spinel on the crown is also tapered, and the buckle part has been changed from a butterfly buckle to a pin buckle, making it more comfortable to wear. It also has a quick-release strap function, making it easy to replace the chain strap or strap! Moreover, the small and medium-sized models use large-sized Swiss ultra-thin movements to achieve high-efficiency battery life! Every aspect is exquisite and elegant! There are two sizes available: medium size 33.7mm*25.5mm and small size 29.5mm*22mm. The overall internal structure is truly 1:1 [strong].