Maker: Orfina, Porsche Design under PWI Model: Chronograph Reference: Prototype Year: Circa early 1980s Material: Stainless steel with black-PVD coating Dimensions: 38mm diameter; 12.5mm thickness Crystal: Mineral glass Lume: Yes, tritium Caliber: Automatic Lemania 5100 Bracelet/Strap: bund leather Lug Width: 20mm Box/Papers: No What we Love and What You Should Know Orfina offered the same design under the "Prestige Watch International" brand after the Orfina/PD partnership ended, including both "military" and "civilian" variants. THis one prototy under this cooperation, a rare watch, a grail Scope of Delivery: watch only Overall Condition: NOS