PORSCHE DESIGN gents wristwatch with chronograph, Switzerland 1970´s, self winding , screwed down blackened stainless steel case including original bracelet with deployant clasp, black dial with tachometer graduation, luminous indexes, luminous hands, minute counter from the middle, red second-hand, day (French) & date, 24-hour-display, calibre Lemania 5100, 17 jewels, diameter approx. 40 mm, length approx. 20 cm, glass scratched, otherwise condition 2