CARTIER. Mini Tank model, circa 1980. Wristwatch CARTIER. Mini Tank model, circa 1980. Ladies' wristwatch in 750‰ yellow gold, white dial, Roman numerals, blued steel sword hands, mechanical movement, screwed back, crown set with an imitation stone cabochon. Wrist strap with folding clasp. Gross weight: 27.2g. In its case.