Important Modern & Vintage Timepieces

Geneva, Mar 15, 2015

LOT 93

JULES JURGENSEN GOLD MINUTE REPEATER Jules Jürgensen, Copenhagen No. 15359, Swiss. Made circa 1890. Very fine and rare, minute-repeating, 18K pink gold, keyless pocket watch with Jurgensen's patented bow hand-setting mechanism. Accompanied by a fitted rosewood box.

Four-body, "bassine et filets", polished, the back cover with engraved foliate monogram, Jules Jurgensen, hand setting device by means of the folding bow, patented on 15 January 1867. Hinged gold cuvette with engine-turned border, glazed gold-rimmed cover over the movement White enamel with Arabic numerals, outer minute track, subsidiary seconds. Black spade hands. 18''', nickel plated, "à vagues" decoration, 31 jewels, wolf's tooth winding, calibrated straight line lever escapement, upper pivots of escape wheel and lever fork with gold-jewel chatons, cut bimetallic compensation balance with gold timing screws, blued steel Breguet balance spring with terminal curve, index regulator, repeating on gongs activated by a slide in the band.