Hanhart Crown stopper, Tachy Telemeter

Precision mechanical stopwatch: Hanhart Crownstoppers in metal cases. All models shock, dust and water-protected.
The lever escapement (2 jewels in the lever) and the shock-protected balance wheel increase considerably both the accuracy of the mivement ant the useful life of these precision mechanical stopwatches
Features of the crownstopper Robust 100 crown stopper (hand wound at crown):

Lever
7 Jewel
1/5 Sek.
30 Min.
Case dia: 55 mm
Weight: 120 g
outer scale: tachymeter (distance: 200 m)
middle scale: 1/5 sec. division
inner scale: telemeter (sound speed up to 20 km)