German 18 carat gold open faced quarter repeater Circa 1840

Gold quarter repeating lever watch by D. Névir
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A German 18 carat gold open faced quarter repeating keywound pocket watch, circa 1840. Gilt finished lever movement, 23 jewels, quarter repeating on two gongs activated by a slide in the band. Gold cuvette. White enamel dial with Roman numerals. Engine turned case with open cartouche to hinged back, coin edged band. Cuvette signed.
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Diameter: 45 mm
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Signed: D. Névir