Rare vintage men's Certina DS4 watch, automatic with a very sought after movement 'in house' 919-1, in exceptional condition. Stainless steel case measuring 38 mm in diameter, (40 mm including crown), and 18 mm between lugs. Vintage stainless steel original strap, long enough to fit all wrists sizes, especially thanks to the elastic part. The watch is in a good condition. Original glass without scratches. The dial has a superb greyish tint (hard to capture in photos), without oxidation or stains. Original crown. Bolted back with engraved tortue. In the "DS" (Double Security) system, in addition to the shock absorber, the entire calibre is mounted to float by means of an anti-shock rubber ring. The manufacturer claims effective protection even in case of a fall from a height of 6 metres, for DS4. Very good functioning condition, determined on the timegrapher. Without box or original documentation Careful, tracked shipping via Colissimo.