Small gold and silver Swiss montre a tact watch Circa 1800

Small gold and silver montre a tact watch
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A small gold and silver Swiss montre a tact watch, circa 1800, gilt cylinder movement.
Eccentric engine-turned gold dial, Roman numerals, blued steel moon-style hands.
Case with glazed aperture for the dial, sunburst pattern engine-turning, front with silver arrow pointer on engine-turned case, coin-edge band with applied hour markers, unsigned.
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Diameter: 30 mm
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Signed: No Name