Nice 1X Heuer Mechanical Timer rally dash set. Specialized Heuer set (1/10 sec timer). Most legible 1/10 sec stopwatch. High visibility / Superb readings. 1970´s Fibershell series Very good vintage used condition. Minor age/storage marks. Nothing important. All functions working ok. Heuer ref 542.213 Heuer stopwatch. 1/10 sec mechanical hand winding HEUER stopwatch. Precision lever movement Shock protected. 7 jewels. 53,50 mm. Central 60 sec + 1/10 sec Registers + 12 min jumping window at "6". (0 min + 25 sec + 75/100 sec on first pic) 2 Crown function (start-stop) with time-out and locked return. Water-protected fiberglass case. NOS aluminium dash plate (60x60 mm) You can install it in your vintage classic car for "time-speed-distance", Track days, or classic car rallies. Vintage watches/timers: Service history unknown (if not specified). Waterproof - Accuracy not tested.