Model: World TimeReference: 5110P-001Date: Circa 2004Movement: 33-jewel Cal.240 HU automatic, adjusted to heat, cold, isochronism and 5 positions, gold micro-rotor, Gyromax balance, Stamp with the Seal of Geneva, No.3207994Dial: Guilloché engraved central blue disc, applied polished baton hour markers, outer dark blue and matte silvered revolving diurnal and nocturnal 24-hour chapter, further outer silvered revolving chapter bearing the names of 24 world cities, polished dagger handsCase: Polished round, screw down exhibition back, shouldered crown, push button in the band at 10 to activate required time zones, 24-hour and quick hour setting, diamond set in the band at 6, No.4142610Strap/Bracelet: Black Patek Philippe alligator leatherBuckle/Clasp: Signed platinum folding claspSigned: Case, dial & movementSize: 37mm Accompaniments: Patek Philippe box, outer card, Certificate of Origin, brochures