IWC REF. 3712 PORTUGUESE
CHRONO RATTRAPANTE WHITE GOLD
International Watch Co., Schaffhausen, "Portuguese
Chronograph Rattrapante," Ref. 3712. Made in a limited
edition of 100 pieces in 1999.
Fine and rare, large, 18K white gold wristwatch with round
button split-seconds chronograph, register and an 18K
white gold IWC buckle.
Three-body, polished and brushed, overhanging
bezel, concave lugs, case back secured with 4 screws,
Matte silver with applied blued steel Arabic numerals,
subsidiary dials for the seconds and 30-minute-register,
outer engraved and blued minute divisions, outermost
blued 1/5th seconds division with Arabic five-second
numerals. Blued steel 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.