Swiss 18K yellow gold open faced pocket watch Circa 1920

Gold open faced keyless lever watch
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A fine Swiss 18 carat yellow gold open faced pocket watch made by Zenith, circa 1920. It has a mechanical crown winding movement with a lever escapement, signed Zenith. The white enamel dial features black Arabic numerals for the hours, a fine outer minute track, a large subsidiary seconds dial at 6 o’clock, and sleek blued steel spade hands, signed Zenith. The timepiece is housed in a smooth round three body, 18 carat solid yellow gold open faced case with a plain polished reverse back cover, a fluted winding crown, a sturdy round suspension bow, and a solid 18 carat gold inner protective cuvette, signed Zenith.
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Diameter: 52 mm
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Weight: 89.8 g
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Signed: Zenith