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 cmTotal width: 58 cmHeight: 44cmDepth: 15 cmWeight: 10 kg.