Most respected vintage IWC dealers?

Howdy folks

So, who are the dealers to go to when searching for a vintage IWC? I know Omega and Rolex have there go-to guys but what about IWC?

Thanks.

This Forum is noncommercial so we don't offer recommendations on where to buy. But if you post your email address here, someone may give your their ideas off-line and privately.

It will also help to know where in the world you are :o)