Swiss verge watch with corresponding chatelaine Circa 1780

Gold enamel open faced pocket watch from Neuchatel
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A fine Swiss gold enamel verge pocket watch with corresponding chatelaine, circa 1780.
18-carat gold and enamel case with case maker’s punch mark DFS and the bezels on the front and back side with green gold foliate decor on a rose gold Sablé ground; the back cover is engine turned and translucid enamelled with a light green, yellow and green geometrical pattern against a translucent cobalt blue enamelled background. Corresponding half pearl-set chatelaine with watch key and signet, decorated with opaque and translucent enamel plaques. The dial is enamel with radial Roman numerals and gold Poker & Beetle hands. The fire gilt full plate movement is keywind, with chain/fusee, solid movement pillars, three arm brass balance and engraved pierced balance bridge.
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Diameter: 40 mm
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Weight: 72 g
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Signed: DFS