I know this is an old thread however that watch look awesome does it open from the top?There's one that's closer. The watch has been modified to do the "hinge" bit, and the lower half isn't from the same watch model, but the face appears to be from this one:
View attachment 800092
Hope this helps. Another thing to look for is Seiko braille watches from that era, but those typically have the crystal only on a hinge.
Try searching for "Seikomatic Diashock" for more candidates