Post your Longineseses'

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A friend has this watch from his father in law and says that it should be from the 1940s.

I think it's an absolute stunner and in extraordinarily good condition.

But doing a lot of research, I'm not sure if everything matches up. I found watches from the 1940s with this case and also with these hands. But the logo on the dial seems to correspond with watches from the 50s and 60s.

What do you think? Dial repainted or exchanged? Or just a rare but original find?

PS: normally, I'd open the snap-on caseback to also post a picture of the movement, but the case is in such pristine condition (and the notch for the case knife sooo tiny, still), that I don't dare touch it.

 
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The dial is redone, so most of the value is gone.

Try to get a extra t from the archives from longines.
 
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Thanks @Marcel81 !
What makes you so sure of it, if I may ask?
Compare it to watches from that period. Not a terrible repaint but it is indeed redone.
 
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Compare it to watches from that period. Not a terrible repaint but it is indeed redone.
I'd say that it's a terrible repaint, tbh! 😀
 
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I'd say that it's a terrible repaint, tbh! 😀
Well … it’s not ugly.
 
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I just got this one back from my watchmaker - a Ref. 6316, made in 1977, with the last in-house caliber made by Longines, the 990.1.

The movement is really interesting, an ultra-thin automatic beating at 28,800 bph, with twin mainspring barrels for smoother power delivery, and a height of just 2.95mm - the worlds thinnest automatic movement with date and sweep second when introduced in 1977.

I really like how the dial changes with the light. Also, I'm not sure but since there were no scratches in the crystal, maybe this was equipped with a sapphire crystal? I know from old advertisements that there are some models with the 990 movement that had sapphire crystals, but have been unable to find a catalogue with this exact reference.

 
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Can‘t wait to get this old lady back. In the St-Imier spa for proper revision and issuance of certificate since two months already - hope they treat her well…

Edited:
 
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One of mines 😀

Nice. 36'000 bph a couple of years before the El Primero and only one year after Girard Perregaux's first ever 5Hz movement.