1.) Everything appears to be stamped clearly and cleanly. Even the best fake bracelets are etched, not stamped for end pieces and bracelet end links.
2.) The Rolex logo in the clasp is cleanly stamped and looks precise for that era.
3.) The "o" in the crown coronet is shaped in the correct oval. All fakes I've seen are more o-shaped.
4.) Adjustment holes in the clasp are the proper proportion and size. All fakes I've seen are too small at the opening and generally not proportioned correctly.
5.) That hardware (connecting pieces of the clasp, etc look good to me.
As far as your concerns, I will admit, the Swiss Made Registered is a little close (I looked at a few of my own bracelets for reference under a loupe), but with that said, there is variance over the years.
I'd say with a good deal of certainty it's the genuine article