I believe Luch’s 15 or 16 jewels watches are manual hand winding. The mechanisms were designed at Minsk plant. Watches with 22 jewels and some quartz  use Miyota mechanism and automatic. That black watch is manual hand winding.

Here’s is description about mechanisms, leather, meta, glass used on Luch watches. https://luch-watches.com/content/9-chasy-i-mekhanizmy


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