Austrian gilt and enamel watch in the form of a lyre Circa 1800

Gilt and enamel form watch
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An Austrian rare gilt and enamel decorated key wind concealed watch in the form of a lyre, circa 1800. Gilt full plate fusee verge movement, pierced and engraved balance bridge, silver regulation,
White enamel dial, black Roman numerals, black outer minute track, winding aperture at 2.
The case has the form of a lyre, hinged, front showing enamel decoration featuring flora and musical score, black enamel and seed pearl decoration to sides, red enamel and seed pearl decoration to sound board with an aperture to view the movement. Movement signed.
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Dimensions: 29 mm x 47 mm
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Signed: Ranna, Vienna