Vintage Heuer early Autavia 53mm stopwatch #1

A vintage early Heuer Autavia stopwatch. A great addition to the vintage car. They are very rare. Great condition.

Autavia. This stopwatch, suitable for motorcars, aircrafts, registers the 1/5 of seconds, the seconds, the minutes and the hours up to 12. It is fitted with a side push piece for “stop and go on” motion to eliminate intermediate stops. Thus is registers the actual driving or flying time.

No Ref. number (too early for reference number)
Diameter: 53mm
Year of production: 1936 – 1945