European Watch Clock and Jewellery Fair 1975 BF 206
This Tissot model from the Buggy Autolub line - with Sytal movement in man-made materials - has a day-date calendar, a water-resistant (to 3 atm,) black chrome case with Makrolon back. The black, white-stitched leather strap matches the dial. (TISSOT - Buggy Autolub)