Yeah, I think it's just my paranoia. The relatively low density of the Ti compared to SS took me by surprise. I need to have another proper fitting to make sure, then my order will be placed!
The Monza's deployment clasp is easier to "lock" than the previous ones used in other heritage models. It is basically the same mechanism used in other newer TAG Heuers. I am personally glad they made this change; can't tell you how many times I had to triple check that the watches were securely 'locked' when putting them back in their winders.