This is fascinating stuff. I was aware that David Seyffer was working on a history of the 325 because I had "commissioned" Marian to try and research "Kuchar and Wittmann" in Bratislava, from where my 325 came. Marian, with the help and encouragement of Mark Levisohn and myself, has found out a wealth of information about the firm that was licensed to wholesale IWCs immediately before and during WWII.
Very, very briefly (I hope Marian will eventually post all he has learned and continues to learn) Ignatz (Eng. sp.) Wittmann had an established business in Bratislava for many years, selling watches, among them IWC. Due to the political scene in 1939-41 he was in need of a non-Jewish partner (my interpretation) and added Frantisek Kuchar to the business to comply with new business regulations. This partnership, much more complex than I am conveying here, did not long survive the end of the war, but did manage to sell quite a few 325s.
The one I have is a caliber 98, made in 1936. The case was produced most likely in 1944. It was sold to K&W on September 26, 1944. Thanks to M. Seyffer and what he has unearthed regarding the deliveries of the earliest 325s, I have now gone to calling mine a "Bratislava".
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It was recently gussied up in Schaffhausen.