Vostok Watch Makers, Inc. (Russian: Восток; literally meaning "East") is a Russian watchmaker based in Chistopol, Tatarstan, Russia. The company produces mainly rugged military and amfibia mechanical watches. It also makes clocks and watch movements for other watch brands.
Many Russian cosmonauts wore them into space. They also make submarine clocks that are highly accurate (which is apparently difficult to make).
I just like the way they look. I guess I've also developed a bit of a taste for Russian made products -- microphones, cameras, and now watches.