PORSCHE DESIGN/ORFINA gents wristwatch with chronograph reference 7176S, Switzerland 1970 ´s, self winding, black frosted stainless steel case including bracelet with deployant clasp, screwed-down case back & winding crown, 60-minutes & 12-hour-register, 24-hour- display, permanent second at 9, day & date, calibre Lemania 5100, diameter approx. 40 mm, length approx. 20 cm, overhaul recommended at buyer's expense, condition 2-3