German 1/8 repeating verge with enamel painting Circa 1780

Silver open faced pocket watch by Franz Xaver
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A German rare Augsburg verge watch with enamel painting and rare 1/8 repeater on bell, circa 1780.
Silver plain case with fine sound openings and bell. Signed and numbered verge movement, technically complicated, repeating hours, quarters and half-quarters. Decorative enamel dial with polychrome painting, Arabic numerals and decorative hands.
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Diameter: 57 mm
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Weight: 128 g
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Signed: Franz Xaver Feirer Augsburg
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Rare repeater, listed watchmaker family in Augsburg, partly signed with “Feirer” but also “Feyrer”.