Important Collectors Watches, Pocket ...

Geneva, May 10, 2009

LOT 315

Corps of Engineers U.S.A. Vacheron & Constantin, Genève, movement No. 382260, case No. 235898. Made for the U.S. Army Corps of Engineers, issue No. 222, circa 1918. Fine and interesting, keyless, silver pocket watch with chronograph.

C. Four-body, demi-bassine, solid, polished, the back with Corps of Engineers inscription. Hinged silver cuvette. D. White enamel with luminous bold Arabic numerals, outer minute track and fifths of a second chronograph divisions, subsidiary seconds dial. Luminous blued steel skeleton hands. M. Cal. 18''', frosted gilt, 20 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometer regulator, visible chronograph work, co-axial chronograph button on the winding crown. Dial, case, cuvette and movement signed. Diam. 52 mm.