There's the VT-35A, but that was a 3-head model (though it does have big play buttons on it). There's also the VT-64A and VT-65A (same as the VT-64A but the door is black and it supports linear stereo).
Here's a list of Hitachi VCRs from the 1980s, might help in finding the exact model:
http://vcr.wikidot.com/hitachi (years listed are "model years")