Please help me ID this Diver 300

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Belonged to my dad, and now passed to me. I also got his Rolex two-tone bluesy submariner, but I like wearing the Omega a lot more and will continue to wear this almost every day. It's a little knocked up, but that almost makes it better to me. There are no external markings on the lugs or between them to help ID the model. The bracelet is marked 1503/826, 99% sure it would be the original. I couldn't open the case back with a rubber ball and didn't want to torque on it with a cheap 2-pin tool. If you can't tell from my photos, the dial is kind of a charcoal gray, and the bezel is this kind of light, silvery gray.

Any help is greatly appreciated.

 
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Looks like the bog standard Bond Auto, ref 2531.80. There is a lot of corrosion on the hands suggesting maybe it’s not as water tight as it once was. A full service would bring that up nicely. They swap the hands routinely. Omega sometimes offer to swap faded bezels on these free of charge. I’d be tempted to keep that one as it’s ghosted nicely (it was darker blue originally) and has a sentimental connection as it is. The dial looks grey but is in fact dark blue.

This is probably the second most famous Omega design there is, I’m surprised you didn’t recognise it.
Edited:
 
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Hi there, thanks. I definitely recognized it as the "James Bond" diver, I was just looking for some of the detail you helped provide. I found a graphic after posting that helped ID it as the first generation of that watch. I am told it was serviced in 2024, so hopefully the water resistance is good, but I won't test it and find out the hard way.

It's neat that the bezel used to look like this, I'll definitely keep as is.
Looks like the bog standard Bond Auto, ref 2531.80. There is a lot of corrosion on the hands suggesting maybe it’s not as water tight as it once was. A full service would bring that up nicely. They swap the hands routinely. Omega sometimes offer to swap faded bezels on these free of charge. I’d be tempted to keep that one as it’s ghosted nicely (it was darker blue originally) and has a sentimental connection as it is. The dial looks grey but is in fact dark blue.

This is probably the second most famous Omega design there is, I’m surprised you didn’t recognise it.

 
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Nice heirloom, I hope you enjoy it. How does the blue sub look, can we get a group photo?
 
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Nice heirloom, I hope you enjoy it. How does the blue sub look, can we get a group photo?
here they are side by side. you can definitely tell which one Dad wore day to day.

 
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Since you are asking, I'm guessing you don't have the paperwork. I agree it looks like a
so hopefully the water resistance is good, but I won't test it and find out the hard way.

An Omega Boutique will test your water resistance (without risk) for you as a courtesy. Probably worth your time. I'm... curious what that service in 2024 actually looked like- in addition to the corrosion on the handset, it looks (and maybe it's an illusion of the pictures) like there's some gunk on the underside of the crystal.

I'm assuming you don't have the paperwork- do you know what year your dad purchased this?

Either way, congratulations, and I'm sorry for your loss.
 
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Since you are asking, I'm guessing you don't have the paperwork. I agree it looks like a


An Omega Boutique will test your water resistance (without risk) for you as a courtesy. Probably worth your time. I'm... curious what that service in 2024 actually looked like- in addition to the corrosion on the handset, it looks (and maybe it's an illusion of the pictures) like there's some gunk on the underside of the crystal.

I'm assuming you don't have the paperwork- do you know what year your dad purchased this?

Either way, congratulations, and I'm sorry for your loss.
I emailed the shop in League City, TX, that did the service for any records they had and haven't heard back yet. the gunk on the crystal is actually, best I can tell, light scuffing on the outside. I'm not going to ask you guys if I should try to buff that out because I think I can anticipate the answer.
 
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I emailed the shop in League City, TX, that did the service for any records they had and haven't heard back yet. the gunk on the crystal is actually, best I can tell, light scuffing on the outside. I'm not going to ask you guys if I should try to buff that out because I think I can anticipate the answer.


The 2531.80 has a sapphire crystal, and no exterior AR coating that could be damaged like that. I very, very, very strongly doubt it's scuffed (or at least to this degree or in this manner).
 
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The 2531.80 has a sapphire crystal, and no exterior AR coating that could be damaged like that. I very, very, very strongly doubt it's scuffed (or at least to this degree or in this manner).
OK then I guess I am starting to have some questions about this "service" as well.
 
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OK then I guess I am starting to have some questions about this "service" as well.

A full service through Omega honestly might be worth it if you're planning on wearing the watch. They'll replace the hands as part of that service- worth it IMO because those hands are BEAT and this doesn't appear to be a tritium dial. I'd have them leave the bezel insert as it is for sure- but you'd otherwise get a fantastic, wearable, and highly accurate watch back that you won't have to worry about for another decade (or so).
 
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A full service through Omega honestly might be worth it if you're planning on wearing the watch. They'll replace the hands as part of that service- worth it IMO because those hands are BEAT and this doesn't appear to be a tritium dial. I'd have them leave the bezel insert as it is for sure- but you'd otherwise get a fantastic, wearable, and highly accurate watch back that you won't have to worry about for another decade (or so).
I'm sort of thinking the same thing, but I might take it somewhere and test the water resistance and put it on a timegrapher to see how it looks first. If that all checks out maybe wait a few more years. Thanks for the input.