So wanted to know the quality of these watches (the first one is obviously a souvenir, the second one I got from Prague (Prague old timer), the third also from Prague but
3d illustration of antique golden round clock on white isolated background. Stopwatch icon, logo. Chronometer, vintage timer 8159247 Stock Photo at Vecteezy
File:Stopwatch, 1810201155, ako.jpg - Wikipedia
Large soviet vintage SLAVA mechanical timer stop watch – SovietWatchStore.com
Unearthing bargain treasures in vintage stopwatches