Vintage Must de Cartier Tank, Mechanical, Lemon Dial, Vermeil Case, Original Box & PapersThe must de Cartier Tank needs very little explaining. It is one of those designs that simply holds decade after decade, wrist after wrist. This 1985 example comes complete with original box and papers, which is increasingly rare to find. The 20. 5 x 27. 5mm vermeil case is 925 sterling silver finished with gold plating the signature construction of the must de Cartier line. Inside, a Swiss made manual wind caliber 78 1 keeps time reliably, a movement