A gold automatic dual time zone chronograph wristwatch with date, register and cities of the world, Franck Muller, 'Master City', no. 20, ref. 7000 MCY, circa 2000

18k, nickel lever movement, 26 jewels, glucydur balance, 8 adjustments, platinum rotor, white matte dial, luminescent arabic numerals, luminescent hands, apertures for date and cities of the world, three subsidiary dials indicating constant seconds, 30 minute register and second time zone, circular water-resistant-type case with screw-set lugs, 18k gold Franck Muller deployant clasp.