Used Baume and Mercier Classima

I found this used Baume and Mercier Classima on Facebook for $300Cad. I'm suspicious because online similar watches are going for around $1000-2000. Anyone have any thoughts on if this appears too good to be true or a lucky deal? The seller did send me a video of the front and back of the watch moving.


Seems too good to be true, but hard to say without getting your hands on the actual watch.