It isn't really. The Submariner has never ceased production since it's introduction as far as I'm aware, so it's been a constantly evolving design. No recreation here.
You’re right, it is still in production since the first one, even thought the original look nothing like the current one.
You could argue that the current submariner is more a dress watch than a tool watch (even thought it is technically a tool watch) not too dissinil To the current 62MAS reissues.
It isn't really. The Submariner has never ceased production since it's introduction as far as I'm aware, so it's been a constantly evolving design. No recreation here.