CARTIER France 30'S Art Deco period clock in gilt brass, black lacquer, mother-of-pearl, mirror and 'smoked' rock crystal. Case: rectangular smoked mirror with circular opening for the dial, in a black lacquered frame. Black lacquered base on gilded brass plate, on a beveled rock crystal base. Dial: circular in mother-of-pearl, black enameled Roman numeral hour markers and black polygonal motif in the center, 'Art Deco' steel hands, signed Cartier France. Movement: mechanical. Numbered 6487. Width: 13.5cm, depth: 7cm, height: 15cm An identical model in the Jewellery by Cartier sale, Christies, Geneva, May 21, 1992, lot 648, p. 97.