• Movement 
    Automatic
  • Year of manufacture 
    1970
  • Lot number 
    255
  • Diameter 
    41
  • Location

Description

IWC REF. 3712 PORTUGUESE SPECIAL JAPAN EDITION
RED BLUE SPLIT-SECONDS HANDS CHRONOGRAPH STEEL
International Watch Co. Schaffhausen, "Portuguese, Chronograph Rattrapante," Ref. 3712. Made circa 2004.
Very fine, large, stainless steel wristwatch with round button split-seconds chronograph, register and a
stainless steel IWC buckle. Accompanied by the original fitted box and instruction manual.
Three-body, polished and brushed, overhanging bezel, concave lugs, transparent case back
secured with 4 screws, sapphire crystals.
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.