In 2025, Cartier will launch the all new Tank Must watch: It Must be a TANK. Among all the classic Cartier Tank watches, if I were to choose one as my daily wear, I would definitely opt for the Tank Solo. However, this perspective might change with the latest TANK MUST in 2025. This year, the brand has introduced the completely new Tank Must series. The Tank Must watch features the brand s signature square case measuring 29.5mm x 22mm, a silver plated dial, sword shaped blue steel hands, sapphire crystal glass, and a unique blue spinel design set into the crown. The watch is complemented by a grainy calfskin strap, which offers a smoother and more rounded design compared to previous iterations. Additionally, the watch is equipped with a quick release strap function, significantly enhancing the comfort and convenience of daily wear. It comes complete with full packaging.