- Clock made by Pragotron in former Czechoslovakia during the 1960s - Was used in factories, schools & railway stations - Features a dark gray Hammer paint finish metal body, aluminum dial, clear glass - Has been converted into a battery-powered clockwork - Works on just 1 x AA battery - The weight of the clock is 3 kg. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution