Case material: Steel; Charge: Automatic; Conditions: New Year : 1980; Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: nessuna Nautilus 3700 Full steel with papers ! - Full steel, Blue/grey ribbed dial with white gold and tritium indexes, Patek Philippe 28-255 C caliber, date, automatic movement. extract from the archives, fully serviced in 2015 by PP. The masterpiece of Gerald Genta !