IWC REF. 3714 PORTUGUESE CHRONOGRAPH
AUTOMATIC YELLOW GOLD
International Watch Co., Schaffhausen, "Portuguese Chronograph
Automatic," case No. 3497076, Ref. 3714. Made circa 2000.
Very fine, large, self-winding, water-resistant, 18K yellow gold
wristwatch with round button chronograph, register and an 18K
yellow gold IWC buckle.
Three-body, polished and brushed, overhanging bezel, concave
lugs, case back with 4 screws, domed sapphire crystal.
Matte black with applied yellow gold Arabic numerals, outer
dot minute track and 1/5th seconds scale with 5-minute/seconds
Arabic markers, subsidiary dials for the seconds and 30-minute
register. Yellow gold feuille hands.
Cal. 79240, gilt brass, oeil-de-perdrix decoration, 31 jewels,
straight-line lever escapement, monometallic balance adjusted to
5 positions, shock absorber, self-compensating flat balance spring,
hack mechanism.