Swiss 18k gold, enamel and stone set fob watch Circa 1900

Gold, enamel and stone set cylinder watch with chain
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A Swiss 18 carat gold, enamel and stone set open faced keyless wind fob watch with matching chain, circa 1900. Gilt cylinder movement, 3 armed balance. Silvered dial, black Arabic numerals, black outer minute track and blued steel Breguet style hands. Polished round case, snap on back, blue enamel and guilloché decoration to back with central stone set motif, outer white enamel border. Case stamped SG. With complimenting blue and white enamel set chain.
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Diameter: 25 mm
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Signed: No name