Jules Jürgensen. A fine and rare 18K gold openface minute repeating split second keyless lever pocket chronometer with register

SIGNED JULES JÜRGENSEN, COPENHAGEN, NO. 15513, CIRCA 1902

Details

Jules Jürgensen. A fine and rare 18K gold openface minute repeating split second keyless lever pocket chronometer with register
Signed Jules Jürgensen, Copenhagen, no. 15513, circa 1902
Cal. 17''' nickel-finished fully jewelled lever movement, bi-metallic compensation balance with gold screws, patented bow setting, repeating on two polished steel hammers onto two gongs, gold cuvette with engraved inscription Grand Prix 1900 Paris, the white enamel dial with Breguet numerals, blued steel moon-style hands, two subsidiary dials indicating 60 minutes register and constant seconds, in heavy circular case with engine-turned rims, repeating slide in the band, split second chronograph mechanism operated through a button in the band and through the crown, chronograph locking slide in the band, case, cuvette, dial and movement signed
51mm diam

Lot Essay

Accompanied by copy of the worksheet confirming manufacture of the present watch. It appears that it had obtained a Bulletin de Marche in the Neuchâtel Observatory 1908 Timing Contest, category "Chronomètre de Deuxième Classe".

Jules Jürgensen (1808-1877), a renowned watchmaker and son of the famous Urban Jürgensen, signed his watches "Copenhagen" although he in reality worked in Le Locle, a center of watchmaking in the Canton of Neuchâtel, Switzerland.

His numerous patents contain the famous bow setting mechanism as featured on the present watch, patented in 1867. It is engaged by moving the bow towards the dial, allowing to set the hands.

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