Cartier. A fine and rare circular silver and enamel Art Deco keyless desk clock

Cartier. A fine and rare circular silver and enamel Art Deco keyless desk clock
Signed Cartier, case no. 84326, circa 1920
With frosted gilt mechanical movement, white enamel dial, Breguet numerals, outer minute track, rose-cut diamond hands, white enamel bezel with gold dots, circular blue translucent champlevé enamel case, white enamel border, dial signed, case numbered
80 mm. diam.