Logo on the crystal

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Is it a concern when logo on crystal is roteted? Can it be an indication that its not sealed properly?

 
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They don't line them up from the factory. Nothing to worry about. If your watchmaker has good attention to detail (or you give instructions) they can line it up when you have the watch serviced.
 
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If you can rotate it with your fingers I鈥檇 have a concern. But also as noted there is no expectation of water resistance and n a vintage watxh.
 
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Different crystal designs can have logos positioned in various ways, so a rotated logo could just be part of the design.
 
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Different crystal designs can have logos positioned in various ways, so a rotated logo could just be part of the design.

are you making a joke?
 
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Different crystal designs can have logos positioned in various ways, so a rotated logo could just be part of the design.
Huh?
 
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Mravk, btw: the logo is "stamped" inside the glass.

Most vintage Omega crystals I've seen have the symbol in raised profile on the underside of the crystal.
That is, the 惟 is stamped in the face of the die used to form the crystal.

(Thankyou Captain Pedantic 馃槈).
 
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Im am not a native English-speaker....that is my problem on OF馃槈
And I can only speak one language, so you are ahead of me there.

Here's a pic I took just now. It's hard to see but you can just make out the raised logo.

It's also easier to stamp/engrave into the die, than to create a raised 惟 on the surface.

 
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Omega's working instructions do not specify how the logo is to be aligned. On armored/tension ring crystals, they do specifies the opening in the ring is placed between the 25 to 35 minute location.
 
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As the hesalite is made of 3 layers to improve the durability, I`d say the symbol is stamped in the middle layer, as nothing can be felt on the surface in/out. But just my opinion. The orientation as said above is just a matter of focusing on detail, there are also some variations of the Omega symbol font during the course of history.
The symbol is oriented with precision on modern sapphire watches only from the factory.
 
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You only have to be careful on the models with the embedded self-destruct charge. If you should turn the logo the wrong way . . .
R.b8eb6d5bbe6987bbe94cae03683f90b5
Seriously, don't worry about it unless the crystal is loose. The logos come from the factory in all sorts of different orientations, including upside down.
 
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As the hesalite is made of 3 layers to improve the durability, I`d say the symbol is stamped in the middle layer, as nothing can be felt on the surface in/out. But just my opinion. The orientation as said above is just a matter of focusing on detail, there are also some variations of the Omega symbol font during the course of history.
The symbol is oriented with precision on modern sapphire watches only from the factory.

3 layers? Where does this information come from?

BTW it's stamped on the inside, and can clearly be felt there...
 
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I read it somewhere in a talk about vintage hesalites, and the fact is, that on vintage crystal I can`t feel anything using the nail.
But may be also because the vintage symbol are much more subtle compared to todays service ones.
Edited:
 
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I read it somewhere in a talk about vintage hesalites, and the fact is, that on vintage crystal I can`t feel anything using the nail.
But may be also because the vintage symbol are much more subtle compared to todays service ones.

Vintage are more faint, but they can be felt typically. If you take a piece of peg wood, sharped in, and move it across the logo, you can feel it catch.
 
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I notice plexiglasses were used in modern Omega watches as well, such as the Alaska Project. Its surprised to see they dont aligned properly.