The watch factory in the city of Serdobsk of the Penza region in 1944 produced the first batch of watches. Fame factory brought wall clock "Cuckoo" with a mechanical figure of a bird and a characteristic battle, which were produced almost until the end of the 20th century. Wall lighters "Mayak" were a decorative decoration of the apartments during the Soviet era.
The Serdobsky plant also made watches on order: after Gagarin’s flight, for the stadium during the Olympics, and so on.

Serdobsky cuckoo walk "Mayak" was a brand of the USSR. The dignity of these models in the mechanism. The biggest cuckoo clocks are located at the train station in Serdobsk.