$3,750
IWC REF. 3725 INGENIEUR CHRONOGRAPH STEEL International Watch Co., Schaffhausen, Ingenieur. Chronograph, Automatic, case No. 3075105, Ref. 3725. Sold June 14th, 2005. Fine and rare, tonneau-shaped, self-winding, water-resistant, stainless steel wristwatch with square button chronograph, register, tachometer and an integrated stainless steel IWC link bracelet with deployant clasp. Accompanied by the original fitted box, setting pin, guarantee (now void) and instruction booklet. Three-body, brushed, dedicated screw-down case back and crown, sapphire crystal. Guilloche black with applied steel luminous baton indexes on a plain reserve, subsidiary seconds and 30-minute register dials, outer 1/5th seconds track and tachometer graduation. Luminous steel baton hands. Cal. 79350, rhodium-plated, 31 jewels, straight-line lever escapement, monometallic balance, shock absorber, selfcompensating fl at balance spring. Dial, case and movement signed. Diam. 42 mm. Thickness 13 mm. Approx. overall length 195 mm.
Auctioneer:
Antiquorum
Date:
2012-12-13