I don't know anything about these types of vises, I just thought it looked pretty cool.
The geometry around the jaws drew me in. Other people's attempts with SOLIDWORKS and Fusion seemed all seemed to get the jaws wrong.
The material your seeing that has that odd texture is supposed burnished bronze. I got it from Keyshot's cloud library, I think that pattern was some kinda unintended artifact.
Forgive the poor grammar, my phone gets in weird autocorrecting moods won't stop. Some days it's great, and some days I'm non-stop backspacing and un-autocorrecting.