It's the same case. I believe Chris at WWW gets them from herr Kemmner in Germany. I have 2 (one Kemmner, and once case that came from WWW and has been built up, see below).Congrats! Looks good. Very similar to the Kemmner Turtle, which is also 42mm.
Sterile: built by James at Midwest Watch & Clock from parts that I slowly accumulated. This one doesn't even have engraving on the caseback or the crown.Sterile dial, check.