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What does the “SLF” stamp mean in my Omega ref:2639

MacRulez4Ever
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Hello !
Im curious what the SLF stamp stands for, inside my case back. Have not seen that stamp before on any Omega case. I tried to do some research, but I’ve never found a clear answer. Any one who could confirm what it means?
Best regards / M
 
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Rudi99
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Maybe the signing of a watchmaker who serviced it in the past? Making a wild guess.
 
MacRulez4Ever
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Rudi99 Rudi99
Maybe the signing of a watchmaker who serviced it in the past? Making a wild guess.
Ok, could be .. but I don't think it is 😀
Thanks ! For helping me
 
mac_omega
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I know this topic has been discussed controversely in the past but I do not remember where...

As far as I recall correctly somebody mentioned this SLF were a code for a certain SS alloy and has nothing to do with Swedish airforce or any other military connection.
 
MRC
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mac_omega mac_omega
As far as I recall correctly somebody mentioned this SLF were a code for a certain SS alloy and has nothing to do with Swedish airforce or any other military connection.

In aviation it stands for "Self Loading Freight", alternatively known as "passengers". My apologies that this doesn't help, I went looking for case manufacturers but haven't turned up anything yet.
 
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