IWC REF. 3712 PORTUGUESE SPLIT-SECONDS CHRONO STEEL
International Watch Co. Schaffhausen, "Portuguese, Chronographe
Rattrapante," case No. 2849457, Ref. 3712. Made circa 2001.
Very fine, large, stainless steel wristwatch with round button split-seconds
chronograph, register and a stainless steel IWC deployant clasp.
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.