Vintage Russian / Soviet SPACE wristwatch with transparent back MOLNIJA with Yuri Gagarin and Valentina Tereshkova. Molniya (Lightning) is famous Russian watch factory, its main customer was Department of Defense of USSR. Unique clocks were also produced specifically for use in Soviet tanks, planes, submarines and even spacecrafts. 45mm diameter, 15 jewels inside. Fully tested in working condition, time was adjusted by professional watchmaker.