Important Modern & Vintage Timepieces

Hong Kong, Feb 07, 2015

LOT 75

SWISS COVER WINDING POCKET WATCH YELLOW GOLD Swiss, No. 44357. Made circa 1890. Very fine and rare, 18K gold, hunting-cased pocket watch with keyless cover winding.

Four-body, "bassine et filets". Hinged gold cuvette. White enamel, radial Roman numerals, outer minute track, outermost five-minute red Arabic numerals, subsidiary seconds. Gilt fancy hands. 40 mm.(18'''), nickle, 15 jewels, counterpoised straight line lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring, index regulator, patented winding mechanism by closing the cover which transmits the power via two levers to a ratchet wheel on the barrel arbor, a safety device disengaging the mechanism when fully wound, going train with an additional wheel driving a steel wheel fixed to the center wheel having half the diameter of the driving one, second motion train driven from the canon pinion and advanced directly by pushing the teeth of the minute wheel. Hands set crown pops out by a slide on the band at 5.