Help to identify anonymous chrono and movement

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Dear forum members,

I am curious if anyone could identify this movement based on pics only. I have tried to compare with Venus, Valjoux and some Landeron pillar wheel but cannot find a match…

Also interested to hear if anyone have seen a similar watch; specially thinking of the larger pushers on a 35mm (”small”) chrono

thanks for all support
Martin
 
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I think it may be an early Valjoux 23. Nothing in your photos provides a clue about the brand.
 
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Thank you! Brand will probably be tough to determine, only says Swiss made on dial (not visible on these pics). There are some nice anonymous out there - find this style quite nice but looking for some clues…
 
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That number on the back of the lug really looks like what Longines did in those days. Maybe same casemaker?
I think it looks great 🥰