IWC REF. 3712 PORTUGUESE
SPLIT-SECONDS CHRONO STEEL
International Watch Co. Schaffhausen, "Portuguese,
Chronographe Rattrapante," case No. 2697928, Ref. 3712.
Made circa 2004.
Very fine, large, stainless steel wristwatch with round button
split-seconds chronograph, register and a stainless steel IWC
buckle.
Three-body, polished and brushed, overhanging bezel, concave
lugs, case back secured with 4 screws, sapphire crystal.
Matte silver with applied pink gold Arabic numerals, outer
dot minute track and 1/5th seconds track with 5-second Arabic
markers, subsidiary seconds and 30-minute register dials.
Pink gold feuille hands.
Cal. C76240, gilt brass, oeil-de-perdrix decoration, 27
jewels, straight- line lever escapement, monometallic balance
adjusted to 5 positions, shock absorber, self-compensating flat
balance spring, hack mechanism.