Patek Philippe Calatrava 2597

Patek Philippe. An extremely fine and rare 18K pink gold dual time zone wristwatch with additional independently adjustable jumping hour hand, luminous hands and hour markers Signed Patek Philippe, Genève, Calatrava model, ref. 2597, movement no. 739'732, case no. 309'790, manufactured in 1963 Cal. 27HS400 mechanical movement stamped twice with the Geneva seal, 18 jewels, Gyromax balance, silvered matte dial, enamelled baton numerals and applied pink gold baton numerals to 3, 6, 9 and 12 o'clock, luminous dots, luminous dauphine hands, blackened hour hand for the second time zone, subsidiary seconds, circular case with two buttons in the band to advance or set back the independently adjustable jumping hour hand to display another time zone, downturned lugs, snap on back, 18K pink gold Patek Philippe buckle , case, dial and movement signed 35.5 mm. diam.