I may have a unique Seamaster 300 165.024

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I’m on the fence with the dial as if you search for mil spec copy’s they have a near identical dial same T in the circle

I’m no way a expert but why would omega put a mil dial in a normal watch like as previously said I’m sure they would of had the correct parts available
 
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I'm puzzling as to how service replacements 2 years in would significantly affect the watch's desirability. If the watch was made in 1968, which the serial number appears to confirm, and if the dial and bezel were replaced in 1970, presumably the stock of service parts would still be identical to the originals, possibly even from the same production batches. If parts were replaced like-for like and OP hadn't mentioned it, nobody would ever have known. (Assuming of course that the encircled T is recognised as valid for a non-military case, which is not something I know about.)
EXACTLY! That's what puzzles me, and that's why I came on here asking for help, because whilst researching this watch I have not come across another one like it.
 
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I’m on the fence with the dial as if you search for mil spec copy’s they have a near identical dial same T in the circle

I’m no way a expert but why would omega put a mil dial in a normal watch like as previously said I’m sure they would of had the correct parts available
Quite. Although the owner and original purchaser who has placed it in my care has just turned 80, he is sharp as a tack mentally and I've no reason to doubt what he says, that it was returned from Omega with that dial fitted. A real mystery!
 
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If it's any help to anybody, here are some photos of the movement, and one of the bracelet clasp. Apologies for the quality, but it's the best I can do.
 
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I'm puzzling as to how service replacements 2 years in would significantly affect the watch's desirability. If the watch was made in 1968, which the serial number appears to confirm, and if the dial and bezel were replaced in 1970, presumably the stock of service parts would still be identical to the originals, possibly even from the same production batches. If parts were replaced like-for like and OP hadn't mentioned it, nobody would ever have known. (Assuming of course that the encircled T is recognised as valid for a non-military case, which is not something I know about.)

Service parts always decrease the value of a vintage watch, and generally quite dramatically. Moreover, the date and nature of the service replacement is not verifiable. We only have second-hand claims about the watch's history, which can't be used for valuation. Anyone knowledgeable about this reference would have immediately been skeptical about that dial on a civilian watch.
 
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Service parts always decrease the value of a vintage watch, and generally quite dramatically.

In this case something clearly doesn't add up. But the point being made is that if a service dial of the exact same type was installed 2 years after the watch was made, no one would no the difference. This is why when people make claims about something being "original to the watch" I roll my eyes. There's no way of knowing this in most cases...
 
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In this case something clearly doesn't add up. But the point being made is that if a service dial of the exact same type was installed 2 years after the watch was made, no one would no the difference. This is why when people make claims about something being "original to the watch" I roll my eyes. There's no way of knowing this in most cases...

I read the post by @Edward53 as making two points, one of which I agree with and the other I don't. I agree that an identical service part from two years after it was manufactured would not be detectable. However, that is not the situation here, the replacement (and I'm using that term deliberately, because we can't verify it was installed as part of an authorized service) part is not identical to the original. We don't really know how or when the dial was replaced; there is no documentation. Just photos and second-hand claims from someone who is admittedly not an expert.
 
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Service parts always decrease the value of a vintage watch, and generally quite dramatically.

I agree that an identical service part from two years after it was manufactured would not be detectable.

Just saying that it doesn't "always" decrease the value of the watch, and it appears we agree on that point.
 
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Looking at the bracelet it’s a 1171/1 so that’s been replaced
 
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Just saying that it doesn't "always" decrease the value of the watch, and it appears we agree on that point.

Aha, you identified an overstatement on my part. 😲 😀
 
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Looking at the bracelet it’s a 1171/1 so that’s been replaced
and appears to be a later 1171 with 32 in the circle.

It is the T on the dial that intrigues me most though since it was clearly not a military watch.

The OP stated that this was replaced due to an accident but it would be really interesting to find some evidence of what matched it with this watch.
 
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I read the post by @Edward53 as making two points, one of which I agree with and the other I don't. I agree that an identical service part from two years after it was manufactured would not be detectable. However, that is not the situation here, the replacement (and I'm using that term deliberately, because we can't verify it was installed as part of an authorized service) part is not identical to the original. We don't really know how or when the dial was replaced; there is no documentation. Just photos and second-hand claims from someone who is admittedly not an expert.

Which is why I qualified my comment by stating that this only applies if the replacement part is identical, a judgement call I'm not in a position to make. So far nobody else seems too sure either.
 
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If there were any chance the dial were original, the OP would have been deluged with PMs by now.
 
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I now have the extract so not sure what to do next. (I honestly expected something better than an A5-sized bit of card for a hundred quid but there you go) .
 
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I now have the extract so not sure what to do next. (I honestly expected something better than an A5-sized bit of card for a hundred quid but there you go) .
Not sure what to do next... In what way? Getting your money back for the A5 bit of card? Regards the watch you could wear and enjoy it....
 
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I now have the extract so not sure what to do next. (I honestly expected something better than an A5-sized bit of card for a hundred quid but there you go) .

I second @jaguar11 . Just wear the watch and enjoy it.
 
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I now have the extract so not sure what to do next. (I honestly expected something better than an A5-sized bit of card for a hundred quid but there you go) .

What were you expecting?
 
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So that pretty much confirms the dial is either a replacement, repaint or fake. I guess if someone out here has a mil SM300 with plain dial in need of a unicorn circle T dial wants to swap you could sort it. You may even have something pretty valuable but the fact remains the watch is a Franken.
 
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I think that the Extract is as good as you could possibly hope. It shows that the movement is correct for a 165.024. Congrats. Not sure what you expected, since even your story suggests that the dial is not original.
 
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Not sure what to do next... In what way? Getting your money back for the A5 bit of card? Regards the watch you could wear and enjoy it....
Thank you. No, I don't want a refund for the extract. Was just expecting something a bit more 'decorative' I suppose!