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JULES JURGENSEN DEMI HUNTING-CASED YELLOW GOLD Jules J¸rgensen, Copenhagen, No. 11058. Made in 1875. Very fine, hunting-cased, keyless, 18K gold pocket watch. Four-body, "bassine et filets", solid, polished, hinged front cover with port hole and painted radial Roman numerals, hinged gold cuvette engraved: Mary Heard to George F. Heard October 16th, 1869. Engine-turned case back centered by a crest, engraved inside: A.F. Heard 1875, John Heard F. 1890, John Heard F. 1910. White enamel with painted radial Roman numerals, outer minute track, sunk subsidiary seconds dial. Blued steel spade hands. Cal. 19''', nickel, 19 jewels, straight-line counterpoised long lever escapement, cut bimetallic compensation balance with gold screws, blued steel Breguet balance-spring, off-center index regulator with J¸rgensen micrometer scale.