French 18K yellow gold open faced pocket watch Circa 1880

Gold open faced keywind pocket watch
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A French 18 carat yellow gold open faced pocket watch made by Le Roy et Fils, Horlogers du Roi, in Paris, circa 1880. This watch features a key wound mechanical lever movement. The glass is missing. The white enamel dial displays black painted Roman numerals for the hours, an outer minute track, and Breguet style hands. The round 18 carat yellow gold case features a plain round case. The double yellow gold cuvette is signed Leroy et Fils Horlogers du Roi.
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Diameter: 42 mm
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Weight: 38.2 g
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Signed: Le Roy et Fils, Horlogers du Roi