Fine French 18 carat gold verge pocket watch Circa the 18th century

Gold open faced pocket watch by Jacques Boscheron
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A French 18 carat pink gold open faced finely guilloché verge pocket watch, circa the 18th century. This watch features a gilt verge movement with a cock, signed Jques BOSCHERON à Rouen. It has a white enamel dial (with minor cracks and dents) displaying Breguet style numerals, an outer minute track, a winding square at 2 o’clock, and blue steel Breguet hands. The case is made of 18 carat pink gold with a guilloché finish.
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Diameter: 53 mm
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Weight: 88,9 g
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Signed: Jques BOSCHERON à Rouen.