I suspect it is redialed. Like you I think there is something not quite right about the logo. I would like to see a better close up of the dial.
The examples I have been able to find show a flat top "A" in Omega. That one looks pointed.
From the Omega Museum archives:
A dial variant from the salesforum (a good place to find vintage, btw)
https://omegaforums.net/threads/omega-2691-cal-410-creamy-patina-620.64308/
Click to expand...