Swiss gold, diamond and champlevé enamel pendant watch Circa 1900

Gold keyless lady’s open faced
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A small Swiss 18K yellow gold, diamond and champlevé enamel keyless lady’s pendant watch, circa 1900. A solid florally engraved case, enamel dial with gold decoration and radial Roman numerals, outer dot minute divisions and gold hands. Straight-line lever escapement. Unsigned, case and cuvette numbered.
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Thickness: 11 mm
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Diameter: 24 mm
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Signed: Anonymous  Swiss