DESCRIPTION

It is Soviet wristwatch RAKETA 

School

  which were produced by Petrodvorzowy Watch Factory in 1980s

It is fully mechanical. You should wind it up every 24 hours. The watch was serviced by a professional watchmaker recently. Runs well and keeps time accurately. 
Made in USSR (Soviet Union)
Movement: Cal.2609.HA 
The case diameter (with no lugs) is 34mm. 
Dial diamter is 30mm. 
Lug width is 18mm.
It comes with a brand new leather strap.