Early Dutch silver keywind verge pocket watch Circa 1700

Silver verge pocket watch
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An early Dutch silver keywind verge pocket watch, circa 1700. Deep full plate fire gilt movement with Egyptian gallery pillars. Fusee and chain with worm and wheel barrel set-up between the plates. Pierced and engraved balance cock, pierced and engraved plate for the silver regulator disc. Steel balance with blue steel spiral hairspring.
White enamel dial, black Roman and Arabic numerals. Decorative gilt hands. Plain silver case, winding through the back.
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Diameter: 50 mm
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Weight: 109 g
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Signed: Abraham Oosterwijk Middelburg
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Abraham (Adam) Oosterwijk, working circa 1689 in Middelburg. Usually mentioned together with his father Severijn Oosterwijk.
At their request The Hague Magistrate established the watchmaker’s guild in 1688.
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Traces of use.
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Reference 011000