My Noob DSSD version 3-4 circa 2009 has a fantastic Crystal that is even with bezel and goes up just slightly into slight dome. Funny how they got the bezel almost perfect on this old model, and the Crystal, and the bracelet SEL and EZ glide of good quality but they botched the fonts on the Gas Escape valve and parts of the dial. For a $160 cartel watch that came out about a year after the Gen DSSD, it has some amazing parts. 6 years old and keeps time almost as well as a Swiss Quartz. Hasn't needed servicing either. When it does I will use the parts to supplement latest model. The case body is all wrong but probably could be machined close though for the cost the newest version is a better play.
Finding a DSSD Rolex sapphire will take some serious digging. Do you have any sources that work for ADs or Rolex servicing?
From just the basic inexpensive 2009 rep, I wouldn't mod the rep Crystal as it's almost dead on. I don't know how the modern noob looks or the other factories.
"What should we start with?"
"An '82 Margaux."
"Is it good?"
"Good? It will make you believe in God!"