New Minerva - how fake is this fake? Or not...

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Hullo! I recently bought an old Minerva, I presumed a DH with a radium dial. When I got it home, the dial looks suspiciously new, so at least a redial I thought. But got thrown off by the lume (usually fake patina looks a bit different to me.) Also I couldn't find any other Minervas with the seconds on the 9 (not sure if that is a good or bad thing).

It's wristwatch but in a hunter case, so some kind of marriage pocket watch job I thought. I was expecting to find a fake movement, and opened it up and found the following . I immediately thought it looked way too new for a 1930s/40s movement and no Minerva markers etc., so case closed. But on closer inspiection, but it does look similar to some Minerva models on Ranfft like https://ranfft.org/caliber/7897-Minerva-12-open-face - there are some small markings under the balance but can't make them out

So it's either in very good condition for it's age, or it's a fake movement with a redial. What you folks reckon? Thanks so much!

 
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From first glance it looks like one of those pocket watch conversions. Can you get a decent shot of the ebauche under the balance?
 
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As you've figured out, it's a marriage watch with a re-dial.
The movement looks to be of good quality, so possibly a Montblanc (Minerva) caliber (ebauche), reasonably modern as it has shock protection.
Edited:
 
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Ah I found it!! It's a Landeron 2124 movement of all things. So a total marriage. Thank you so much for your help, I really appreciate it!
 
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Landeron 2124
Similar to, but not the same as.
Slight differences between the shape of bridges.
Many companies produced ebauches for various brands and the brand then made some physical changes to the ebauches to imprint their "style". Sometimes it was quite elaborate, other times very understated.

The only way to be half sure is to disassemble the movement and find maker's marks, brevet numbers etc.
 
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Thanks a lot, having a closer look at the movement it does have a Landeron mark and "2124" as well. So maybe something custom they made for another maker. I'm guessing a far fling from Minerva itself though. I really appreciate your help!
 
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I'm not surprised about the bridges being different, The Landeron 2124 is the same as the FHF2124. My understanding is it went through quite a few design revisions along the way (I see pics of one of those 3-finger bridges too! https://ranfft.org/caliber/5496-FHF-2124-19). Every time I look into an FHF movement I see basically exactly that: they seem to change bridge designs on a per-weekly basis 😁