I believe the re-editions are proportioned differently. 39mm compared to the original 36mm with longer lugs. Plus, the original has the Valjoux 72 movement. For me it’s the closest I’ll come to owning a Newman Daytona.
But with good examples of the original 2447 still available for not much more than a reissue, it seems an easy choice to go with the original version. Plus you get a Valjoux 72 movement, the same movement that’s in the Newman Daytona, which makes it a rel