Early Danish silver open faced cylinder pocket watch Circa 1794

Silver pocket watch by Larpent & Jürgensen 
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An early Danish silver open faced cylinder pocket watch, circa 1794. Full plate movement with chain and fusee, key wind, cylinder escapement, three-arm brass balance. White enamel dial with Arabic hours and an outer minute track. A plain case with the Jürgensen manufacturing punch mark KPF/JJ. Dial signed, movement signed and numbered.
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Diameter: 58 mm
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Weight: 108 g
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Signed: Larpent & Jürgensen København
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The punch mark KPF/JJ means ‘Kongelig Priviligeret Fabrik/Jürgen Jürgensen’ (Royal Warranted Factory/Jürgen Jürgensen).
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Jürgen Jürgensen, 1745-1811, was the father of the renowned watchmaker Urban Jürgensen. In 1775, he started a watchmaking factory in Copenhagen and went into partnership with Isaac Larpent in 1780. Since then the company operated from Roskilde under the name Larpent & Jürgensen.