Swiss 18 carat gold watch with “seconde morte” Circa 1843

Ultra-thin hunting cased pocket watch by Jules Jürgensen
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An early, ultra-thin Swiss hunting cased pocket watch with independent jumping seconds mechanism “seconde morte”, circa 1843.
18 carat gold engine turned case with engraved monogram; white enamel dial with Roman hours, jumping centre seconds and gold Breguet hands; bridge movement and a gold screw compensation balance.
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Diameter: 47 mm
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Weight: 72 g
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Signed: Jules Jürgensen, Copenhagen
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Jules Juergensen (1808-1877) was born in Le Locle 1808 as son of the watchmacker Urban Jürgensen (grandson of Jacques-Frédéric Houriet). In Kopenhagen Juergensen received his training in the watchmaking business of his family and in addition studied mathematics, astronomy and foreign languages. Shortly after the death of Jacques-Frédéric Houriet, Jürgensen went to Switzerland and opened a watch manufactory in Le Locle. His precision watches gained worldwide recognition.