Year of manufacture1970
IWC REF. 3764 DA VINCI CHRONOGRAPH PINK GOLD
International Watch Co., Schaffhausen, "Da Vinci, Automatic Chronograph," Ref. 3764. Made circa 2008.
Fine, tonneau-shaped, water-resistant, self-winding, 18K pink gold fly-back chronograph wristwatch with combined 60-minute and 12-hour registers, subsidiary seconds, date and an 18K pink gold IWC
Three-body, polished and brushed, rounded polished bezel, lapidated lugs, inset shaped
rectangular chronograph pushers, transparent case back with 8 screws, screw-down crown,
Two-tone silver with applied luminous pink gold indexes, raised outer 1/5th seconds track with
Arabic 5 minute numerals and red 15 minutes, sunk subsidiary dials for combined 60-minute and
12-hour register, subsidiary seconds with date aperture at 6. Luminous pink gold alpha hands.
Cal. 89360, rhodium plated, 40 jewels, straight-line lever escapement, monometallic balance,
shock absorber, self-compensating balance spring, index regulator, hack mechanism.