IWC. AN 18K GOLD SELF-WINDING PERPETUAL CALENDAR WRISTWATCH WITH SWEEP CENTRE SECONDS AND PHASES OF THE MOON
Signed International Watch Co., Schaffhausen, Model Ingenieur, circa 1990
With nickel finished lever movement, 36 jewels, the black dial with applied baton numerals, three gilt subsidiary dials indicating the day, date and month, digital year and moonphase aperture, sweep centre seconds, the tonneau-shaped case with screw back and screw down crown, hinged lugs, together with an 18k gold IWC buckle, case, dial and movement signed
34 mm. diam.