Cartier's newly launched TankMust watch. It Must be a TANK Among all the classic Cartier tank watches, if I want to own a watch that I wear every day, I will definitely choose the TANK Solo, and now this matter may be The latest TANK MUST has changed. This year, the brand launched a new TankMust series of watches. This TankMust series of watches also uses the brand's iconic square case 29.5mmx22mm, silver-plated dial and sword-shaped blue steel hands, and sapphire crystal glass. And the unique blue spinel design and grained calfskin strap inlaid on the crown is more rounded and smooth than the previous line processing. In addition, the watch is also equipped with a quick-release strap function. The design also greatly increases the comfort and convenience of daily wearing, and comes with a complete set of packaging.