hi - welcome to OF. I'd say if you haven't done so already, get over to
http://www.speedmaster101.com and learn all about the reference there.
The serial number is fine - in the middle of the range for a 105.003-65, but I would want to see some better photos of the watch before committing any money. The straight-ahead shot looks really pale - has the lume all gone, or is that just the photo (I suspect a bit of both).
Are the hands replacements? The bezel isn't original. The crown looks like a 32-tooth "B2" crown which might have been fitted in a service previously. I don't think those are genuine Omega end-links on the bracelet either, and it's not the "correct" bracelet for an Ed White either (as far as I can tell). Oh, and it needs a service.
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