Dutch gold and enamel repeating verge watch Circa 1770

Open faced quarter repeater by J. Petit & Freres
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A Dutch gold and enamel open faced quarter repeating verge pocket watch, circa 1770. Full plate gilt finished verge movement, chain fusée, three armed balance, pierced and engraved balance cock, silvered regulator disc, hammer striking a bell in the case back, quarter repeat activated through a push plunger in the crown. White enamel dial with Roman numerals, outer minute track with Arabic five minute divisions and gilt fleur-de-lys hands. Case with polychrome enamel portrait of a maiden with putti in an idyllic landscape, the bezel and band in two tone with engraved geometric motif, case back pierced for sound. Dial and movement signed.
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Diameter: 46 mm
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Signed: J. Petit & Freres Amsterdam