細節
Jules Jürgensen. A fine and rare 18K gold openface minute repeating perpetual calendar keyless lever dress watch with phases of the moon and original box
Signed Jules Jürgensen, Established Copenhagen 1740, No. 17'323, circa 1930
With nickel-finished lever movement, 31 jewels, bimetallic compensation balance, minute repeating on two polished steel hammers, gold cuvette, the silvered matte dial with applied gold Arabic numerals, four subsidiary dials indicating month combined with leap year indicator, day, date and phases of the moon combined with constant seconds, in circular case with hidden hinges, the hinged back centred by engraved initials J.F.C., repeating slide in the band, case, cuvette and movement signed and numbered
46 mm. diam.