Patek Philippe 2540/1

Patek Philippe. A fine and rare 18K gold square wristwatch Signed Patek Philippe, Genève, ref. 2540/1, movement no. 727'470, case no. 694'485, manufactured in 1956 Cal. 12-400 circular nickel-finished lever movement stamped twice with the Geneva seal, 18 jewels, silvered matte dial, applied baton numerals with luminous accents, luminous hands, subsidiary seconds, square case, downturned angular lugs, snap on back, 18K gold Patek Philippe buckle, case, dial and movement signed 32 mm. wide