> the "ural" watch had a luminous dial with a diameter of 38 millimeters and a case made of chrome-plated brass. radioactive paint was applied to the watch hands and to the dots marking the time. even now, 60 years later, these watches emit up to 50007000 microroentgen per hour, while the norm is up to 30 in peacetime and up to 60 in wartime.
Russian Federation