Arca Swiss AS 360

I stumbled across these in a old Oschwald era Arca Swiss catalog, but cant find any evidence of their existence in the real world. If I understand correctly the 120 version would have a 54x320 frame, and the 35mm version would have a 24x220mm:



Has anyone ever actually seen one? Or were they vaporware? I can find nothing online aside from the catalog this clip was drawn from.

It has certain similarities to Seitz Roundshot cameras (also from Switzerland; I've never seen one in person). If you go to the Seitz website and click company > history and go to 1970 on the timeline, there is a picture of the same camera with the remark "Designed by Seitz and manufactured by Arca-Swiss, this 35mm film camera never went into serial production." https://www.roundshot.com/xml_1/internet/en/application/d150/f1047.cfm

good catch it looks identical! personnally I'd prefer the 120 version--two shots on a roll--but it sounds like it never got out of prototype.