A SLIM WHITE GOLD SQUARE WRISTWATCH, Patek Philippe & Co., Genève, NO.1138688, REF.3503, CIRCA 1968

18k, circular rhodium plated lever movement stamped with the seal of Geneva, 18 jewels, gyromax balance, adjusted to heat, cold, isochronism and 5 positions, black matte dial with baton numerals, white gold baton hands, slim polished square case with snap on case back, case, dial and movement signed.