If you like Soviet watches you'll probably enjoy this index of movements: https://17jewels.info/ I collect mechanical watches and have a fair number of vintage Soviet watches in my collection - Rateka, Vostok, Poljot, etc. Cheap, reliable, and often with striking designs. (Today's watch is a Poljot - Russian: Полёт, literally meaning "flight", is a brand of Soviet/Russian wristwatches, produced since 1964 by the Firs…
https://spectrum.ieee.org/consumer-electronics/gadgets/the-c...