A gold chronograph wristwatch with perpetual calendar and moon phases, IWC, 'DaVinci', circa 1985

18k, nickel lever movement, white matte dial, applied baton indexes, four subsidiary dials indicating moon phases combined with 30 minute register, constant seconds combined with day, date and month combined with 12 hour register, aperture for year, circular water-resistant-type case with raised bezel, two round chronograph pushers in the band, flexible lugs, case, dial and movement signed, with 18k double deployant buckle.

Accompanied by IWC Guarantee, booklets, spare year indicator in hermetic tube, fitted presentation box and outer packaging.