A FINE WHITE GOLD AUTOMATIC PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES, IWC, 'DA VINCI', CIRCA 1997

18k, nickel lever movement, 39 jewels, mono-metallic balance, adjusted to 5 positions, white dial with applied baton numerals, subsidiary dials indicating day combined with constant seconds, month combined with 12-hour register, date register, 30-minute register combined with aperture for phases of the moon, aperture indicating the year, polished circular case with stepped bezel and two rounded chronograph push-buttons in the band, hooded hinged lugs, water-resistant type pressure-shut case back, case, dial and movement signed, with an 18k white gold IWC buckle.