Cartier Tank

must de Cartier Tank Mens Lapis Blue Dial Manual Winding

"must de Cartier Tank" was born in 1970 as a diffusion line of Tank watch. The collection name comes from the English word "must," meaning something that one should have, and the case is made using a technique called vermeil, giving the watch a luxurious feel. Vermeil is a technique in which a thin 20-micron sheet of 18K gold is glued to a base of solid silver (silver 925) under high temperature and pressure, and is seen in antique jewelry. The base is silver and the gold plating is very thick, giving it a very luxurious feel compared to regular gold plating. The case size is 23mm wide and 30.5mm long, which was the men's size at the time, and is smaller than current men's models. There are various variations in the dial design of the must de Cartier Tank. This watch has a plain dial without indexes, which was only seen in the early models. It has a very minimalist design, with gold hands and logos at the top and bottom standing out. The color is a lacquered lapis lazuli blue, and it has a mysterious hue that changes color depending on the angle you look at it, appearing either bright blue or navy blue. If you look closely, you can see some gold dots in the blue dial. They look like stardust in the night sky, so they are sometimes referred to as stardust. The movement is the hand-wound Cal.78-1, a mechanism that was used in many Cartier watches, and parts are easily available, making it a highly maintainable movement.