Speaking from experience buying cheap stuff like that and also high end reps,
these sellers sell shitters, but not super shitters
if you're scared about spending hundreds of dollars on a rep, i guess it's a fine way to dip your toes in the water.
If you start to actually become interested in reps or watches though, long term, these sellers are a waste of money because you'll eventually become dissatisfied with the medium quality things you bought from them, because none of their watches would fool anybody who has any clue about what they're looking at.