Danish repeater with double wheel duplex escapement Circa 1820

Gold pocket watch by Urban Jürgensen, Kobenhavn
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A gentleman’s very fine, rare Danish quarter repeating pocket watch with double wheel duplex escapement and temperature compensated balance spring, circa 1820.
18 carat gold engine turned and signed case with reeded band, pusher for repetition via pendant and dome with presentation engraving: “Erindring til Capitaine I. L. Lewis fra de private Assurandeure Kiöbenhavn”. Signed enamel dial with Arabic numerals, auxiliary seconds and blued spade hands. Full plate movement, frosted, gilt, keywind, with 2 hammers / 2 gongs, steel/brass “Duplex” double wheel and gilt brass ring balance.
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Diameter: 58 mm
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Weight: 194 g
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Signed: Urban Jürgensen
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Similar watches are described and illustrated in great detail in “Urban Juergensen & Soenner” by John M.R. Knudsen, Copenhagen 2003.