Cartier. A very fine, rare and unusual 18K gold, nephrite, black onyx, enamel, lacquer and mother-of-pearl 8-day Art Deco desk clock

Cartier. A very fine, rare and unusual 18K gold, nephrite, black onyx, enamel, lacquer and mother-of-pearl 8-day Art Deco desk clock
Signed Cartier, case nos. 2878 and 1530, movement signed EWC & Co. Inc., France, circa 1925
With circular gilt-finished 8-day lever movement, 15 jewels, the dial consisting of fan-shaped mother-of-pearl sections and floral centre, applied gold Roman numerals, gold hands, the gold bezel with red and black lacquered chapter ring, the square one-piece nephrite case with moulded "coins japonais" or "Japanese" corners, the black onyx handle to the top held by gold and translucent scarlet enamel and black lacquer attachments, case with hand-stamped Cartier reference numbers, dial signed Cartier, movement signed E.W. & C. Co.
65 mm. wide