Luch medical doctors USSR Soviet quartz wristwatch with pulse meter cal. 1956

Caliber Luch 1956. MANUFACTURER: Minsk Watch Factory (Luch, Russian: Минский часовой завод). Production Association “Luch”. In September 1963 the Production Association “Luch” was created that united Minsk Watch Plant and Vitebsk factory of watch parts - branch.

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