French gold enamel lady’s pendant watch with chain Circa 1870

Gold enamel pendant watch by Leroy & Fils
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A French gold enamel and pearl-set keyless-winding pendant-watch with open-face and a short gold and enamel chain with its key, circa 1870.
This historical watch has: – an 18-carat yellow gold, enamel and pearl-set case, on the case back engraved and blue enamelled with a Templar cross patonce; – an enamel dial with Roman radial hours, outer minutes track with red Arabic five minutes numerals, and gold Louis XV hands; and a gilded brass movement with going barrel, cylinder escapement, monometallic balance and blued steel flat hairspring. The cuvette is signed.
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Diameter: 32.5mm
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Signed: Leroy & Fils