Take a look at this one
https://omegaforums.net/threads/omega-seamaster-300-2913-3.64766/
Very rare bezel and bracelet though but serial number close to yours which is good.
Price is difficult to say given the photos, but I’d personally say around £13-15k, if the seller isn’t in a rush you can always get an extract first, worth the £100 if you’re spending that much
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