French rose gold cylinder pocket watch with visible balance Circa 1810

Gold open faced pocket watch 
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A very fine and large French 18 carat rose gold open faced gentleman’s pocket watch with visible balance made by Jean-Antoine Lépine in Paris, circa 1810. The plain case has a reeded band, maker’s punch mark IHP and a cuvette engraved with technical details. The signed gilded silver, richly engraved face features an eccentric white enamel dial with Arabic hour numerals, outer minute divisions, a visible five arm balance at 12 o’clock and Breguet hands. The frosted gilt bridge movement is fitted with a going barrel and cylinder escapement.
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Diameter: 59 mm
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Weight: 105 g
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Signed: Lépine à Paris