PORSCHE DESIGN ORFINA "TOP GUN" CHRONOGRAPH Reference: 7176S. Serial number: 35572. Steel / PVD case. Black dial, highlighted by three counters (seconds, minute totalizer, hour totalizer). Automatic mechanical movement (Lemania 5100 calibre). PVD steel bracelet with signed folding clasp. Sapphire crystal. Circa 1970. Diameter: 39 mm. A stainless steel wristwatch automatic movement, by Orfina Porsche Design. Circa 1970. RC : Sold as is, traces of wear and use. Winding stem H.S, to be replaced. Movement functional at time of writing, no warranty.