This square double sided railway, school or factory wall clock was produced by Pragotron, in former Czechoslovakia, during the 1970s. The piece features a grey metal body, a dark grey hammer paint clock frames, a clear glass covers, and an aluminum dials and hands. The clock has been converted into a battery-powered clockworks and require two AA-batteries. Dimensions : Clockface : 44 x 44 cm Total width: 58 cm Height: 44cm Depth: 18 cm Weight: 10 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