A Fine Pink Gold Automatic Perpetual Calendar World Time Wristwatch with 24 Hours, Audemars Piguet, Geneve, 'Metropolis' model, circa 2002

18k, nickel lever movement, 40 jewels, Gyromax balance, adjusted to heat, cold, isochronism and 5 positions, 21k gold-edged pierced and engraved rotor, silvered engine-turned dial, applied dot and exaggerated Arabic numerals, four subsidiary dials indicating month combined with leap year indicator, day, date and 24 hour indicator divided into diurnal (white) and nocturnal (blue) time combined with World Time listing 24 cities of the world, circular water-resistant-type case with smooth stepped bezel, World Time corrector button in the band to 4 o'clock, sapphire crystal display back secured by five screws, case, dial and movement signed, with 18k pink gold Audemars Piguet deployant clasp and tie tag.