Antiquorum Auctioneers Lot soldUSD 0USD 0 (NET)CHF 0 (listed)CHF 0 (NET)EstimatePrice on Request See all lots IWC - Ref. 3712 Antiquorum - Important Modern & Vintage Timepieces Geneva 2016 | Geneva, 13 November Movement Automatic Year of manufacture 1970 Lot number 92 Diameter 41 Location Description IWC REF. 3712 PORTUGUESE CHRONOGRAPH RATTRAPANTE PINK GOLD International Watch Co., Schaffhausen, Portuguese Chronograph Rattrapante, case No. 2745975, Ref. 3712. Made in the 1990's. Fine, large, 18K pink gold wristwatch with round button split- seconds chronograph, register and a 18K pink gold 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 minute 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 fl at balance spring.