https://www.youtube.com/watch?v=mhW9ZER5eQs&t=210s
Uploaded to YT last year, has Russian narration and English subtitles.
Vostok's in-house manufacture is quite a labour intensive process.
You people with timegraphers might like this part:
But I don't know if I would want to do it for a living.
Ah, but what timegraphers are they using?
Vostok must have got a sweet deal on all those vaguely familiar looking "Watch Expert 5000" units we see.
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