A French platinum and diamond-set open-faced keyless wind watch by Cartier
A French platinum and diamond-set open-faced keyless wind watch by Cartier, the circular signed engine-turned dial with black Arabic numerals, the border set with rose-cut diamonds, articulated bale with winder, European Watch Company movement, manual winding, French control mark, 6.2cm high including bale, case 48mm, 61g total