Patek Philippe. A very fine 18K white gold self-winding water-resistant World Time wristwatch

Patek Philippe. A very fine 18K white gold self-winding water-resistant World Time wristwatch
Signed Patek Philippe, Geneve, ref. 5110, movement no. 3'215'788, case no. 4'331'157, manufactured in 2006
Cal. 240HU nickel-finished lever movement stamped with the Geneva seal, 33 jewels, Gyromax balance, free sprung regulator, 22K gold micro-rotor, the engine-turned silvered dial with applied white gold baton numerals, concentric 24 hour chapter ring divided into nocturnal and diurnal hours, outer revolving ring with the names of 24 world cities, the circular water-resistant-type case with glazed screw back, a square button in the band at 10 o'clock to adjust the time zone, extended downturned lugs, 18K white gold Patek Philippe deployant clasp, case, dial and movement signed
37 mm. diam.