Previously we have looked at the early titanium Ingenieurs and also IWC use of black titanium
The week we look at, "an odd and truly rare bird":
https://www.iwc.com/member/forum/search_all.asp?table=archives&name=moeb&subject=bird&archived=yes&id=58030
And some more detail from Marco:
https://www.iwc.com/member/forum/search_all.asp?table=archives&name=moeb&sMessage=4509&archived=yes&id=49927
Cheers from the cellar