French 18 carat gold keywind verge watch Circa 1819/1838

Unsigned gold open faced pocket watch
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A French 18 carat gold open faced keywind verge pocket watch, dating from about 1819 to 1838. The watch features a rooster movement with key winding, chain and spindle, verge escapement, and meeting wheel. The white enamel dial shows painted Arabic numerals, a winding square at two o’clock, and sun hands. The case is 18 carat gold with a smooth finish and fluted caseband.
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Diameter: 52 mm.
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Weight: 93.5 g
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Signed: No name
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A Rooster movement pocket watch has a mechanism featuring a rooster logo or a balance bridge shaped like a rooster, a traditional Swiss or French trait. It is not a specific type of movement but a designation based on trademark or design.