Swiss 18K yellow gold Art Deco lever dress watch Circa 1930

Gold open faced dress pocket watch 
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A fine Swiss, 18K yellow gold and enamel, Art Deco keyless dress pocket watch, circa 1930. A polished and brushed, the bezel is decorated with black and white enamel, the back with a black and white enamel Art Deco motif, and the case band with a black and white enamel stripe. Silvered dial with applied gold Arabic indexes and dots for the minutes. Blue steel cathedral hands. A frosted gilt movement, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator.
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Diameter: 45 mm
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Signed: No Name