Patek Philippe Cie, Genève, Ref 3411. Produced circa 1966. manual winding nickel lever movement stamped with the seal of Geneva, 18 jewels, mono-metallic balance. silvered dial, baton indexes. 18k yellow gold polished case, engraved Snap-On case back. case, dial and movement signed diameter 34.5 mm lapidated triangular lugs.
