A diamond-set gold 'Tank Française' wristwatch, by Cartier
The rectangular dial with Roman numerals, bordering inner minute divisions, secret signature at ten o'clock, blue steel sword hands, within a brilliant-cut diamond bezel, to a fancy-link bracelet with concealed double folding clasp, case, dial and clasp signed Cartier, numbered, Swiss assay mark, European convention mark, length 18.0cm