Jules Jürgensen. A rare 18K gold hunter case two train independent split seconds keyless lever watch with flying fifths of a second

Jules Jürgensen. A rare 18K gold hunter case two train independent split seconds keyless lever watch with flying fifths of a second
Signed Jules Jürgensen, Copenhagen, movement and case no. 12'654, circa 1872
Cal. 20''' nickel-finished fully jewelled two train lever movement, bimetallic compensation balance, patented bow setting, hinged gold cuvette, engine-turned rim, white enamel dial, Roman numerals, outer red and black five minute divisions, blued steel moon style hands, independent split seconds, subsidiary dial for flying fifths of a second, all activated/stopped by depressing two buttons in the band, plain circular case, engine-turned band, case, cuvette, dial and movement signed and numbered
56 mm. diam.