Question: 1940s unknown brand stunner

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Hey all,

I would like to inquire about 'Certo' branded watches. It is a brand fully unknown to me but earlier today I purchased one via Ebay. As said: I purchased the watch earlier today so it is not yet in my possession. The photos used therefore are borrowed from the Ebay listing.

I like exploring 'no name' watches because, more often than not, they offer great bang for buck. This example - based on appearance - seems to be produced in the early to mid 1940s. It features a radium 'bullseye' dial with blued hands and a red seconds hand, the latter of which may or may not be original but looks very acceptable (particularly since its length matches the minute hand). The listing states it is 35mm in diameter.


I've examined enough watches in my days to feel confident about dial originality. What persuaded me into purchasing this watch specifically was the radium track surrounding the black bullseye ring, as shown in the excerpt below. I haven't encountered this before and I feel it contrasts the bullseye center very well.


Regarding the case: I feel this case is most reminiscent of 1940s era Mido cases, although I am unaware about who was the case manufacturer. This hunch is based on the lugs shape, the crown, the decagonal case back and the supposed 35mm case diameter. The listing sadly did not feature an inside case back shot, but it did show the case back and interior dust cover, as well as the movement.

The case back does appear to have a serial number but I don't know what it corresponds to.


The dust cover is blank, as one would expect.


The movement is branded 'Brevet' and features a serial number. It appears to be a Liengme cal. 2646, which could confirm my age estimate. The spacer could confirm the supposed 35mm case diameter.
Oh, motion blur in the balance: one loves to see it!


I hope the OF information wizards can further inform me about this new acquisition!

Thanks,
Matt
 
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The dust cover is blank, as one would expect.
Soft iron magnetic shield. The dial is likely a similar material.
 
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The watch is eye catching.

It's interesting to read about Leingme.
 
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Thanks. This link is actually very helpful because it strengthens my assumption the hands set is original!
I think you're right. Can you see any glow after dark adaption? I have some where I can though it's very faint.
 
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Super cool. Reminds of a much better version of the Lagonda I have in my collection. Just a cool no name. Although your movement is way more interesting as mines an AS if I remember right.

looks radium as well and super well preserved.
 
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That is a gem. A really appealing and elegant looking watch in apparently unmolested condition. I’d agree with your assessment that the dial is untouched.
congratulations on reeling that one in!
 
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Hi, that patent number is by Liengme for a centre seconds movement from 1924.
https://depatisnet.dpma.de/DepatisNet/depatisnet?action=pdf&docid=CH000000111400A&xxxfull=1
Thanks. Carl.
Most impressive find. Thanks for that info!

Any comments on a possible case manufacturer, guys? Here's an example of a Mido with a similar case.
https://www.ebay.nl/itm/Mido-Multif...e-/174816361850?&_trksid=p2056016.m2518.l4276
Edited:
 
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