Overwound

Here's a thread on Google+ relating to mainsprings and winding a watch.

https://plus.google.com/u/0/104405056094644812060/posts/U93dva8Sp3w

More here:

http://elgintime.blogspot.com/2013/06/when-is-watch-over-wound.html

And here:

http://elgintime.blogspot.com/2013/01/pocketwatch-over-wound.html

This is an idea as old as watches, and it will probably never go away.