When searching the Archive we usually use search terms like "ingenieur", "8541" or "MF" but others are more obscure.
This week we search for "Zwyro"
Nikator's watch
https://www.iwc.com/member/forum/search_all.asp?table=archives&sMessage=Zwyro&archived=yes&id=16001
Hans' example, both dial and movement
https://www.iwc.com/member/forum/search_all.asp?table=archives&sMessage=Zwyro&archived=yes&id=51812
And some history by Hans
https://www.iwc.com/member/forum/search_all.asp?table=archives&sMessage=Zwyro&archived=yes&id=15471
https://www.iwc.com/member/forum/search_all.asp?table=archives&sMessage=Zwyro&archived=yes&id=16006
Cheers from the cellar