CERTINA DS-2 Chronolympic gents wristwatch with intermediate wheel chronograph calibre Valjoux 726, Switzerland around 1970, manual winding, reference 8501 800, solid stainless steel case, case back with DS-symbolism screwed-down, Certina-DS bracelet with deployant clasp, gray dial with blue sub- dials, raised hour-indices, original hands, original winding crown, rhodium plated movement with intermediate wheel, Certina calibre 29-062, 19 jewels, diameter approx. 43 mm, length approx. 20,5 cm, neutral textile- bracelet enclosed, seal has to be replaced, condition 2-3