Patek Philippe, an 18ct gold wristwatch Ref 3426 Mvt 790943 case 2627842 1960s Cal. 23-300, manual winding nickel lever movement stamped with the Geneva quality hallmark, 'Fausses cotes' decoration, 18 jewels, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, self-compensating Breguet balance-spring, gilt linen dial, applied indexes, circular case, case, dial and movement signed with an 18ct gold Patek Philippe buckle, diameter 32 mm, with extract from the archives.