FP Journe ←
Dead Seconds Tourbillon TT Titanium on Bracelet
From my personal collection, this is a true holy grail for Journe collectors. The titanium tourbillon is the only Dead Seconds variation with its own separate reference, TT, because the tourbillon cage itself is made out of titanium. Already super rare (this is 1/5), this particular one is on the Ti bracelet which is maybe even more rare than the watch.
For very serious collectors only. This one will not come around again.