Danish gold quarter repeating cylinder pocket watch Circa 1830

Gold open faced pocket watch by Fredrik Jürgensen
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A Danish gold open faced quarter repeating gentleman’s pocket watch with cylinder escapement, circa 1830.
Gilt full plate movement, plain three-arm balance, cylindrical pillars.
White enamel dial with black Roman numerals, an outer minute track and blued steel Breguet-style hands.
Polished hinged case, reeded band, hinged cuvette. Dial, movement and cuvette signed. Comes with a key.
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Diameter: 56 mm
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Signed: Fredrik Jürgensen Kiöbenhavn (Copenhagen)
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It is reported Fredrik Jürgensen made only around 500 pocket watches between 1811 and 1843, typically with a double-wheel duplex escapement or as in case of the present timepiece a large steel cylinder escapement.
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Fredrik Jürgensen (1785-1845) was the youngest son of Jürgen Jürgensen (1745-1811) and was born in Copenhagen into a dynasty of fine watchmakers. He apprenticed to his famous older brother Urban Jürgensen (1776-1830) in 1801, whom he worked with until 1809 in Le Locle, Switzerland, in April of that year he went to Geneva. In 1811 Fredrik was recalled to Copenhagen on his father’s death. On May 15th, 1811 he was appointed watchmaker to the court as the successor of his father.