Without seeing the inside of the case, we cannot know what type of movement is inside.
The dial looks original, but the pictures are not high enough resolution to tell for sure.
I find that in general, auction descriptions by themselves are not sufficient to determine authenticity or condition. In person examination is critical. Even then, most auction houses are not going to open up a watch for you to see the inside.
That’s why I tend to stay away from auctions outside of eBay. At least a buyer has some protection there if things are not what they seem to be.
gatorcpa