HEUER-LEONIDAS SA Carrera chronograph wristwatch, Switzerland around 1970, self winding, reference 1153, stainless steel case, screwed down case back, silvered dial with raised hour-indexes, red stop-second-hand, date, tachometer graduation, rhodium plated movement calibre 11, 17 jewels, precision adjustment, winding by micro-rotor, diameter approx. 38 mm, overhaul recommended at buyer's expense, condition 2-3