Uncle's Old Longines Watch

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Hi, i'm the owner of this watch. It was my sicilian uncle's one, he passed away in the '80, in Italy. I cant' found any info about it online. It's perfectly working. On the back there's no codes. The main dial is about 37 mm wide (1,45 inches).
Can you help me to ricognize the model? I'm not an expert at all!
Thank you!
Bye
Andrea
 
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I’m not sure about the model number, but it’s probably powered by a 12.68z movement. And it’s quite nice aside from the mark at 12.
 
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Thanks! I think a good watchmaker could clean it, it appears like dust ;-)
 
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A very nice watch, and if the dial (alone) is actually 37mm, extraordinarily large and quite valuable. Even if the case measures 37mm, it is oversized and valuable.
 
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Very nice watch! Open the case back (or let a watchmaker open it) and take pictures of the movement and the case back. I think you can then get a free extract from the archives from Longines! There is information about the model number and the year and where it was sold on the extract.

Wouldn't this post be better at home in the longines subforum?
 
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Hi Andrea, you have posted this thread in the "Vintage Omega" subforum. Maybe you could make a new thread in the Longines subforum here: https://omegaforums.net/forums/longines-watch-forum/

This is a wonderful watch. I would guess that the movement is a caliber 15.26. The watch is from the late 1930s to early 1940s. Even though the watch has some wear, it is likely worth upwards of 5000 EUR.
 
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P.S. I would strongly advise that you do not let anyone (including watchmakers) touch the dial. Trying to clean the dial is arguably not worth the risk as any damage or evidence of cleaning could significantly decrease the value of the watch. If you want to sell the watch, do not take it to a watchmaker. Collectors would prefer to have their watchmaker service it. Also, it is important that the steel case is not polished, and that the crown and crystal/glass are retained.
 
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Did you measure the diameter with the crown or without? Did you actually measure the width of the dial only?

Small second would not be where it is with a 12.68Z in a 37 mm case. it would sit higher

If dial is 37 mm, then case would be much wider and could house a pocket watch movement

Would need to open the case. Get the caliber and possible reference number if there is one on the inside case back

Just for comparison. This is a 37.5 mm wide case with a 12.68z movement

longines.jpg
 
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P.S. I would strongly advise that you do not let anyone (including watchmakers) touch the dial. Trying to clean the dial is arguably not worth the risk as any damage or evidence of cleaning could significantly decrease the value of the watch. If you want to sell the watch, do not take it to a watchmaker. Collectors would prefer to have their watchmaker service it. Also, it is important that the steel case is not polished, and that the crown and crystal/glass are retained.

Thank you!
 
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A very nice watch, and if the dial (alone) is actually 37mm, extraordinarily large and quite valuable. Even if the case measures 37mm, it is oversized and valuable.