Why are you posting this again, were you not satisfied with the answers you got in the last one!!! Are you expecting a different result ( that's by definition insanity). Without actually see the straps in person its a tough call. The tunnel rep straps were apparently gen like and were the best thing about that rep range of watches. I had a gen tunnel strap it was light as air , almost felt it was filled with foam , had to sell it as it was too big for me which was a shame.
Instead of trying to catch us out to prove some point of yours , why don't you tell us what the differences are and try to be useful.
Perhaps you could weigh them on digital scales or something.