French 18K yellow gold open faced pocket watch Circa 1890

Gold open faced keyless cylinder watch with vest chain
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A fine French 18 carat yellow gold open faced pocket watch with vest chain, made by Leroux in Mans, late 19th century. It has a mechanical crown winding gilded bar movement with a cylinder escapement. The white enamel dial shows black Roman numerals for the hours, an outer minute track with Arabic five minute numerals, a subsidiary seconds dial at 6 o’clock, and ornate gold Louis XV style hands. A pinset hand adjuster is located on the caseband next to the crown.
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The timepiece is housed in a round, 18 carat solid yellow gold open faced case. The satin finished reverse back cover is intricately engraved with interlocking monogram initials. It has a fluted winding crown, an oval suspension bow, and a solid 18 carat gold inner protective cuvette signed Leroux au Mans. The watch comes with a matching 18 carat yellow gold link vest chain with a large bolt ring clasp and swivel hook, and a fitted presentation box.
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Diameter: 40 mm
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Weight: 60 g
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Signed: Leroux au Mans