I know because after seeing your post I instantly went to check the internet to find a second hand one ππ. Really beautiful watch but sadly not apt for my thin wrists.
I think I posted a few weeks ago about my set of Jubilee Portuguese (in three metals), Ref. 5441, made in 1993 to celebrate IWC's 125th anniversary. Perhaps one of the most beautiful, simple, hand wound watches ever made, IMHO! ...