Tank Louis de Cartier - over a century of design refinement An iconic silhouette, streamlined and elegant Small model - 29. 5mm x 22mm yellow gold tank case with silver-grained dial Yellow gold beaded crown set with a striking sapphire cabochon Water resistant to 30 metres ICONIC LINES The Tank wristwatch is a true design classic in the world of fine watchmaking, debuting in 1919 as one of the earliest creations of Louis de Cartier, the eldest grandson of the Maison's founder. Inspired by the aerial silhouettes of combat vehicles, the Tank followed a design trajectory of modifying the circular watch face and integrating it into the line of the bracelet. The result was, and still is, an avant garde icon of clean lines and striking aesthetics paired with the famed Cartier elegance. From that inspiring original, the Cartier Tank watch design has evolved over time, adopting a variety of guises, all unmistakeably Cartier. This model is based on the initial 1921 design revision, which slight