Austrian silver/enamel oval pendant pocket watch Circa 1800

Silver and enamel verge watch
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An oval Vienna enamel pendant watch, signed by Johann Michael Hosser, circa 1800. A silver and enamel inside, black enameled rim with golden roses, oval enamel painting on the back, more oval enamel paintings inside, signed verge movement, decorated enamel dial, one hand, movement intact, good condition of preservation.
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Diameter: 36 x 50 mm
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Weight: 36 g
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Signed:  Johann Michael Hosser  Vienna
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Johann Michael Hosser is a famous watchmaker from Vienna, appointed as master in 1786, died 1824