Movement spacer/ holder/ ring for cal 285, ref 224106 (38mm)

Hi Dag,
my first question is what is the factory configuration for a 224106. A quick search online has yielded 3 different cases. Have you done research on this reference to understand that your caseback is matching the midcase and that a cal 285 is the factory configuration? If so, please provide some examples if you can, including the mvmt, so we can see what the retaining ring (if indeed it should have one), looks like.
I might have a cal 285 chrono sweep available, but the issue will be length, can you measure and see what you feel looks right, center hole to tip, in mm?
regards
Ben

the 4 in 224 could indicate either a 285 or 287

case references from this time period do not come in multiple case styles for the same reference number, they are fixed

the fact that we are seeing multiple case styles for the same reference is a red flag and means some of them should be franken. I'm not aware of 224106 being a Spillman reference, but I have not researched. 22410 is, and I am dubious that 224106 is being interpreted as a sub reference of 22410 (ie 22410-6), my guess is it's a 224106 caseback on a difference reference spillman case, but again, this is just my first guess, I have not researched. I am also thinking less likely that 224106 is a square button reference. So I think perhaps yours is an original configuration, but that's just a gut impression, needs research.

My other immediate guess is that a movement spacer is not used in this reference, but again, needs research.

I will check the 285 chrono sweep, however I don't think you can go off the movement diameter, you need to go off the dial diameter, which can be larger, smaller, or same as the movement diameter. In this oversized case, with a midsized caliber, I wonder if the dial is larger than the movement, seems like it would be?

Pretty sure it is legit 😁

https://www.christies.com/lot/lot-universal-a-large-and-attractive-stainless-steel-6067350/?

I was thinking would be nice to have a UG archives pic for this reference to know factory details on the case, but was being dumb and looking under Compax instead of Uni Compax. The factory pic from Sala is actually supplied in one of the links above, and puts to rest these questions. As suspected your case is correct, the other variations such as the Spillman case and the Medico are franken. People seem to have a lot of fun putting together different versions of this reference for some reason, maybe because it's oversized.

I doubt your watch had a spacer or dust cover. I think perhaps its very simple, you are just missing the case screws/clamps to hold the movement in place. A competent watch maker should be able to sort this out for you. In some other references that I've had that were similarish, with a 285, there were two case screws, one that went "down" and one that went "up", and sort of wedged the movement in place, if that makes sense. I'm not using the proper terminology, but hopefully you get the idea. I had one of them shipped one time and when it arrived the movement was rattling around in the case and when I opened the case back it almost fell out (held in by stem). I was freaking out thinking something had broken, but realized that with a few turns of the above two screws that I mentioned, it was completely fine. (Again, these are just informed guesses, I don't know for sure).

Keep in touch via PM if the 285 sweep hand that I have will work for this watch.

PS I would get the hands relumed to match the dial

always best to have first hand knowledge.

OF solves another mystery 😉

I have a 224105 with a 285 and a dust cover 😀

Forgive me for digging up an old thread but this may be handy for someone in the future. I think the iconeek one may have a service caseback (so @bgrisso had a point 👍 ) The reference of this one is 22410 (without the 6)

See and https://www.hodinkee.com/articles/bring-a-loupe-february-17-2017