Doesn't look like this is a redial, but there are a number of issues worth pointing out.
The dots on the dial don't strike me as dust, but as corrosion marks. In my opinion, this generally isn't an attractive form of patina, and can't be cleaned off of the dial in any way (that I'm aware of). It's up to you whether this is acceptable, but do note that it, as well as the movement, suggest the watch has had some sort of water ingress at some point in its life.
On the subject of the movement, the watch doesn't appear to have been serviced, as there's a substantial amount of detritus in the movement and the inside of the case back. The case back gasket is degraded/deformed and will require replacement.
I'd wager that the case has been polished at least once or twice, but it seems like mainly the case back has borne the brunt of it, and the mid-case seems to be in decent condition.
I personally wouldn't consider picking up this piece unless at a really good deal, at least below 700 USD. And even then, it would likely be as a parts watch, rather than a project watch. This dial variant is not especially rare, so it would be easier (and cheaper, overall) to be patient and look for a better example rather than try to get this restored.
