the 716 poses a great value and the set comes with a cool ship display. Panerai did a great job with it but it's still a reproduction essentially. I think the 716 being 1000 pieces will likely drop in value more so than the original since the original has already come down from its high as all the Panerai's have. However a newer watch will be easier to service and find cosmetic parts if need be. All things to consider so I wish you the best of luck it's really a head scratcher this one. You'll win either way IMO since the Mare is so cool.
On another note I would've really liked to see Panerai just shrink the Pam 300 with the stepped sandwich dial and flat bezel down to 42mm instead of copying the original.