PATEK PHILIPPE very fine gents wristwatch model Nautilus designed by Gerald Genta with original certificate, self winding, Switzerland sold in March 1985, reference 3800/1, two-piece construction stainless steel case at the sides 4-times screwed down, bracelet with deployant clasp, blue horizontal striped dial with raised Baton- indexes, Baton-hands, display of hours, minutes, sweep seconds & date, calibre 335 SC, 29 jewels, fausses cotes decoration, seal of Geneva, measures approx. 38 x 38 mm, length approx. 19 cm, condition 2, from the collection of the first owner