Rolex is a brand of very fine, very expensive watches. See the Related Link below for their official website.
True. As long as it is quantity demanded and not demand overall.
absolutely, there are so many luxury rolex watches for ladies, if you can't find just go for rolex's official website here www.rolex.com
Yes, so long as the watch is made from metal components the magnet will stop the internal pieces from moving hence stopping the watches ability to function.
The worth of a used rolex depends on various factors like the model, condition and how old the watch is.