CARTIER - 'Tank' watch, named after the American soldiers of the 1920s. MUST' version. Rectangular case with screwed back in vermeil (silver and 20 micron gold plated). Black onyx dial. Blue sapphire winding mechanism. Dial: 2 x 2.2 cm Condition: Scratches on the glass. The watch is in working order at the time of writing, but we do not guarantee its future operation. As the watch has not been tested over a long period, we cannot guarantee the operation of the movement or its power reserve. We recommend that you have the watch serviced.