Gg Inlaid Genuine Light Opening Mold.In 2025, Cartier will launch the brand new Tank Must watch, It Must be a TANK. Among all the classic Cartier Tank watches, if I had to choose one as my daily wear, I would definitely select the TANK Solo. However, this might change with the latest TANK MUST in 2025. This year, the brand introduces the entirely new Tank Must series of watches. The Tank Must watch also features the brand s iconic square case measuring 33.5mm x 22mm, a silver plated dial, sword shaped blue steel hands, sapphire crystal, and a uniquely designed blue spinel set into the crown, along with a grainy calfskin strap. It is powered by a Swiss ETA quartz movement, and its lines are smoother and more rounded compared to previous models. Additionally, the watch is equipped with a quick release strap feature, significantly enhancing comfort and convenience for everyday wear, achieving a perfect combination.