CERTINA gents wristwatch DS 288, self winding, Switzerland 1970´s, reference 5801-500, stainless steel case including original bracelet with deployant clasp, screwed down case back with representation turtle & winding crown, blue Fume-dial with raised indexes, display of hours, minutes, sweep seconds & date, 27 jewels, calibre 25-681, measures approx. 45 x 41 mm, length approx. 20,5 cm, Certina box enclosed, condition 2, property of a collector