Important Modern & Vintage Timepieces

Geneva, Nov 08, 2015

LOT 35

VACHERON & CONSTANTIN SILVER ?CORPS OF ENGINEERS USA? Vacheron & Constantin, Genève, No. 1225, movement No. 381422, case No. 235169. Made for the U.S. Army Corps of Engineers in 1918. Fine and interesting, silver keyless pocket watch with chronograph. C. Four-body, bassine, polished, the back engraved ?Corps of Engineers U.S.A. No. 1225?. Hinged silver cuvette. D. White enamel with bold luminous upright Arabic numerals, outer Arabic minute and chronograph ring and subsidiary seconds. Luminous blued steel skeleton hands. M. Cal.19???, frosted gilt brass, 20 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometrer regulator, chronograph with visible work, the button on the winding crown.