Swiss gold, enamel, diamond set ball form watch Circa 1900

A Swiss gold, enamel and diamond set keyless wind ball form watch, circa 1900. Gilt Swiss lever movement, cut and compensated bimetallic balance. White enamel dial, blue Arabic numerals and red Arabic numeral 12, outer gilt minute divisions and gilt spade hands. Blue enamel and diamond set ball form case, garland form gold decoration, bi-directional bezel for manual winding, bail to top.
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Diameter: 21 mm
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Signed: No name