French gold Pocket watch with golden numbers Circa 1860

Very rare lever pocket watch
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A 18 carat gold watch, a goutte, dome signed and numbered, very unusual and very fine chronometer movement with chain and fusee, circa 1860.
Moustache lever, spherical hairspring, very beautiful enamel dial with golden minutes and golden seconds.
Golden hands, roman numerals. Very good condition, rare collector’s watch.
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Diameter: 48 mm
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Weight: 102 g
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Signed:  Boudin  Paris