IWC Portugieser 371213

IWC. A fine, rare and large stainless steel limited edition split seconds chronograph wristwatch with black dial Signed IWC Schaffhausen, Chronograph Rattrapante, Portugieser model, Cortina Watch 30 Pieces Limited Edition, Ref. 3712-13, case no. 2896410, manufactured in 2004 Cal. 76240 gold-plated lever movement, 31 jewels, the black dial with applied Arabic numerals, two sunk subsidiary dials indicating 30 minutes register and constant seconds, in large circular case with downturned lugs, the back inscribed Cortina Watch 30 Pieces Limited Edition and Cortina logo, seconds chronograph mechanism operated through three round buttons in the band, stainless steel IWC deployant clasp, case, dial and movement signed 42 mm. diam.