Only reply I got was the suggestion to bring it to the next IWC Boutique and to order a certificate of authenticity for 300 CHF, that would ususlly just provide information about the caliber, casenumber and reference which seems even less than the Omega EOA that's cheaper and doesn't require sending/driving the watch to someone.
I understand that the idea of a certificate of authenticity is a different one than with Omegas EOAs; however I doub't that it can/will provide me with the information I'm searching for. Plus spending 300CHF for getting the information that the movement isn't finished in the usual IWC standart and therefore not considered "authentic" is something I can live without.
Edit: Sadly, it does not say Klaus nor Blümlein (should be too early for him anyway)
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