The watch was produced at the NII-Zavod Pulsar watch factory in Moscow.
The number in the name of Elektronika watches designate the factory of origin:
1 = Pulsar, Moscow
2 = Angstrem, Zelenograd, Moscow region
5 = Integral, Minsk, Belarus
8 = Soyuz, Novosibirsk
The watch has two protruding buttons. If we press briefly the top button the watch shows hour and minutes and seconds if we keep pressing it. The button at the bottom shows the day (numbered from one to seven) and date. It also has 3 depressed buttons that are used to set the watch. The watch uses two batteries.
Some pictures:
A collage (the movement pic is by the seller of the watch):
A picture on my pulse:
