This women’s Cartier Tank Louis Watch features an 18 karat yellow gold case and black leather strap. Roman numerals decorate the square dial with bold side case railings. Blue sapphire hands add a pop of color to the iconic watch face. Finished with a fine alligator style leather strap. Cartier Tank collection was created by Louis Cartier in 1917, incorporating industrial influences into the watchs formidable motif.