Soviet chess tournament clock 1950s - Old chess timer USSR wooden case

Oryol Horological Factory. Oryol city, RSFSR. The chess clock is in wooden veneered and polished case. The clock consists of two mechanisms. Pin lever movement. The clock has two dials with special change-over on the case. One complete winding lasts no less than 32 hours. Dimensions 290X180X80 mm. Weight 1.55 kg. Serviced. There is a switch at the top between the two dials. Place it in an upright position before using the chess clock. The horizontal position of the switch blocks the switching itself.