Cartier Tank Anglaise Watches. Medium size (39.2mm x 29.8mm) stainless steel case, nine-sided crown set with a synthetic spinel cabochon, sapphire crystal, flinqué and silvered dial with Roman numerals and blued steel sword-shaped blued-steel hands, self-winding caliber Cartier 077 movement with calendar aperture at 3 o'clock,