Important Collectors Wristwatches, P...
Geneva, Hotel Des Bergues, Oct 20, 1991
LOT 100
J. Alfred Jiirgensen, Locle, No.496, circa 1775. Fine 18 ct. gold hunting-cased, keyless pocket chronometer.
CHF 7,000 - 9,000
C. Four body, massive, "bassine et filets" engineturned with reeded band (slightly worn). Glazed gold cuvette. D. White enamel with Roman numerals and subsidiary seconds. Blued-steel Breguet hands. M. 20-, nickeled, 17 jewels, pivoted detent escapement, cut bimetallic balance, balance spring with terminal curve. Special hand-setting by the folding bow, patented by Jules Jiirgensen, 15 January, 1867. Signed on the dial, case and movement. hi good condition. Diam. 49 mm.
