Legendary chess mechanical clock of the USSR. They are currently very rare. Such watches were used in tournaments of the highest level. This model was used in the final game of the movie Queen's Gambit

This vintage chess clock was made by the OCHZ enterprise Oryol watch factory "YANTAR" (Yantar) in Orel, USSR in the 1960s. 
Chess Watch Case Material: Carbolite.

On the side of the case there is a chip that does not affect the operation of the mechanisms, otherwise the watch is in very good condition. used them a little and the mechanisms still have a great resource. The clock is in working order.

Length: 26cm / 10.24 ''
Height: 15.5cm / 6.1 ''
Thickness: 6.5cm / 2.56 ''
Weight 1.175 kg (without postal packaging)