Thanks you all for your warm welcomes !
I received my PAM111H and will take some pictures of it to post them. I'm quite impressed by this one. I only payed $150 for it thru ioffer, and it has lots of details of a much expensive one (long canon pinion, swan neck, correct 111H decors on movement, good lume...)
Next step... hmmm a BR01-92 black PVD with correct caseback (screws & serial num engraved as 92 not as 94) and an IWC 3717-01. Even if I also look at an UPO, an Explorer I, and a PAM253.
Oh boy, my credit card will smell like a burned tyre in the next days ...