I have a SGF523 seiko watch, you can look at it here:
http://www.amazon.com/s/ref=nb_ss_watch?url=search-alias%3Dwatches&field-keywords=SGF523+seiko&x=0&y=0
or at least extremely close to this model. I looks identical, but the face is blue instead of white. I got it at a garage sale, so it's...