French pearl-set gold enamel “ à Tact ” watch Circa 1820

Gold, fine enamel watch by Le Roy
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A yellow gold, enamel and pearl-set montre á tact, circa 1820. Gilded movement, cylinder escapement, small eccentric gilt engine turned dial to the cuvette, roman numerals, translucent violet enamel covers a engine turned ground, the back with a diamond-set á tact hand, band set with pearl touch pieces, cuvette and movement signed and numbered.
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Diameter: 39 mm
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Signed: Le Roy a Paris
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The total diamond weight is approximately 0.13 carats.