Danish minute repeating split seconds chronograph Circa 1900

Rose gold repeating split seconds chronograph by Jules Jürgensen
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A fine and rare Danish 18 carat rose gold hunting cased minute repeating split seconds chronograph with register keyless lever watch with patent hand setting mechanism, circa 1900. Nickel movement, 32 jewels,straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on two gongs activated by a slide in the band.
Polished case, the back cover engraved with amonogram, five-bar hinges. Dedicated hinged gold cuvette.
White enamel with Breguet numerals, outer minute track and concentric red painted fifth of seconds indexes, outer Arabic five minute/second numerals, subsidiary seconds at 6, 30-minute register at 12. Blackened Breguet hands. Dial, case and movement signed. With original box.
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Diameter: 52.5 mm
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Signed: Jules Jürgensen Copenhagen
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Jules Frédéric Jürgensen (1808-1877). The son of Urban Jürgensen, and a very eminent watchmaker himself. Jules was born in Le Locle but as a child moved with his parents to Denmark. In 1830, after the death of his father the company was taken over by Jules and his brother Louis Urban. Three years later, in 1833 Jules returned to Le Locle and built up a great business. His family business was carried out by his brother and in 1886 was sold to one of the employees, H. Kiens., and was then carried on by his sons, Jules (1837-1894) and Jacques Alfred (1842-1912) and later by the House of Heuer. Jürgensen had many titles and honors, became watchmaker to the King of Denmark, was made a Knight of the Légion d?Honneur and Knight of the Royal Order of Dannebrog. Between 1870 and 1876 he was a member of the commission of surveillance of the Geneva School of Horology, along with Ekegren, Potter and others; he was a member of many commissions in Switzerland judging different horological contests. He was apparently considered in Switzerland to be one of the best watchmakers. He stamped most of his watches on the pillar plate under the dial: Jules Jürgensen of Copenhagen.