Salvation Army Speedie for sale on EBay, a nice donation.

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What is the significance, if any, of the OXG inscription on the regulation bridge?
 
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It was just the rear gasket:
Ah, even the gasket is in good condition. So the watch hasn't been used much and must have been stored in a proper environment most of it's life.
 
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OXG is omega's export code for US I believe.

Thank you OB1.
 
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You won't be replacing the crystal?

My thinking is set out here: http://speedmaster101.com/blog/the-salvation-speedmaster/


I bought this watch because I was convinced that it is an original example of a 105.012. As it turned out, I think I am right. It has damage to the case back, but I dont think they got in. Perhaps the watch was then discarded face down in a drawer for many years, unworking.

My instructions to the workshop were to NOTHING cosmetic, apart from cleaning, and replace no part that didn't absolutely need it. In the event the rear gasket was changed.

The crystal has a certain interest, a clear indication of the history. It is, as you suggest an easy swap and one that I may do.

In fact the real question is, should I polish it, or swap it and keep the worn crystal?
 
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For wearing, a new crystal is much more satisfying. But for collection and display purposes, I'd keep it just as is.
 
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If it had got the scratches on some expedition (moon or otherwise) or had some other interesting history, I certainly wouldn't polish it. As you say, if it got the scratches from being stored, it's not overly important and a polish isn't the end of the world.

That said, I believe my .003 was completely original, so the parts that came off, which didn't amount to much, have been safely stored.

I'd probably opt for a crystal swap and keep the original safe.

Great watch by the way!
 
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I can see that a determined SA lunk-head with a pair of scissors was after that back.
 
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Just my humble opinion, but if I had a dial that beautiful and untouched, I wouldn't let it hide behind those scratches on the crystal. I'd take some PolyWatch to it for 10 minutes and then admire the beauty.
 
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My thinking is set out here: http://speedmaster101.com/blog/the-salvation-speedmaster/

The crystal has a certain interest, a clear indication of the history. It is, as you suggest an easy swap and one that I may do.

In fact the real question is, should I polish it, or swap it and keep the worn crystal?

My vote: Spend some time lovingly polishing the crystal by hand, removing some of the surface discoloration and most of the scratches, and enjoy your 100% original watch.
 
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Spotless movement, even after service. Note the dirt on the pusher tubes, which normally indicate to me an unserviced watch.
Have you got a picture of the movement before service?
There are a few things that would be interesting to compare, such as the heads of the screw for the hour recorder joke, of the screw for dial and of a few others elements, as well as some stains on the cronograph bridge and on the 3/4 plate bridge under the operating lever.
Additionally, did you get a report of the values for rate variation, amplitude and beat error?
 
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If it were mine I'd leave it as is with all the character as you did. Nothing beats the orginal, but that's just me. Great watch!! Sure you will enjoy for years.
 
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I would probly polish or change the crystal and keep the original too. The cracks on the crystal hide the beauty of patina.
 
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Just my humble opinion, but if I had a dial that beautiful and untouched, I wouldn't let it hide behind those scratches on the crystal. I'd take some PolyWatch to it for 10 minutes and then admire the beauty.
Does the polywatch really work? I have a watch with deep scratches on the crystal u think this would still work on it? Thanks
 
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Have you got a picture of the movement before service?
There are a few things that would be interesting to compare, such as the heads of the screw for the hour recorder joke, of the screw for dial and of a few others elements, as well as some stains on the cronograph bridge and on the 3/4 plate bridge under the operating lever.
Additionally, did you get a report of the values for rate variation, amplitude and beat error?

I am sorry I did not notice that a picture of the movement, though of rather poor quality, had been published before.
A few comparisons can be thus made, albeit not conclusive.

comparison.jpg
 
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Does the polywatch really work? I have a watch with deep scratches on the crystal u think this would still work on it? Thanks
It works for surface scratches extremely well, but for really deep scratches (indents) in the crystal, there's not much you can do. Replacement is the best option if they're serious.
 
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It works for surface scratches extremely well, but for really deep scratches (indents) in the crystal, there's not much you can do. Replacement is the best option if they're serious.
Thanks! Sorry for being off topic there.