Patek Philippe, 18ct gold wristwatch 1955 Ref 2509 Mvt 725950 case 689603, cl. 12-400, manual winding nickel lever movement, 18 jewels, silvered dial, applied dagger indexes, subsidiary seconds, circular case, case, dial and movement signed, diameter 35 mm, with an Extract from the Archives confirming sale on June 20th 1956.