2010 Cartier Tank Solo 3170 Stainless Steel Quartz unisex Watch on Bracelet – White Roman Dial, Blue Hands, Cabochon CrownThis Watch The Tank is one of those designs that barely needs an introduction crisp lines, strong proportions, and that unmistakable Cartier dial. This example is the Cartier Tank Solo ref. 3170 (often also referenced as W5200000), presented in stainless steel on its matching Cartier bracelet. Up front you get the classic Cartier recipe: a clean white dial with bold Roman numerals, the inner chemin de fer minute track, and those elegant blued hands