Trying to learn here. So bear with me if I don't
know the variations of this dial.
The OP's dial looks different than the one I post here
in that the subdial background texture is concentric in
the OP example. In the one I post here there are
arcs that overlap the concentric circles much like the
Zenith logo has. Why doesn't this one have that.
You may need to Zoom the picture I am posting to see what I
am looking at. Click on the second picture here