This is a rare Soviet mechanical wristwatch, originally produced by the Zlatoust Watch Factory (?????????????? ??????? ?????), known for supplying timepieces during World War II. The watch features a unique custom dial commemorating Vasily Blokhin ? NKVD USSR 1940, referencing a controversial historical figure associated with the Soviet NKVD. Housed in a large 50 mm silver-tone case (converted from a pocket watch), this timepiece is both a historical artifact and a conversation piece. The movement is manual wind and fully functional. Manufacturer: Zlatoust Watch Factory (ZChZ) Mechanical movement (manual wind) Diameter: ~50 mm (excluding crown) Converted from a pocket watch to wristwatch format Custom dial in Cyrillic script (Soviet NKVD theme) Circa 1940, WWII era Working condition