It is powered by the IWC calibre 8521 and the bracelet is the IWC ref. 11. This one is (should I dare to say: "as usual") in near mint to mint condition. Cheers to vintage! HSTE ...
I always find it interesting for IWC watches with T SWISS T dial appeared on the end 50sā case serial. Myself have encountered few examples too with original dial/case condition (especially on the Ingenieur 666 reference). My understanding is that the Tri...