I was thinking that it would be easy to add this functionality to my pebble watch.

I was exactly what I thought. Is there any "watchapp" that does this?

There is an interval trainer app for running but I think it will work for this. Set it up for 5 minute intervals and you should get a similar functionality. The only thing is it won't run in the background so you have to keep the app open.

Then don't plan on working for the government.

I work in Higher Education and every few years the local newspaper in my area posts our salary information on the web, just in a less visual way.

Yes, most college athletic departments do operate in the red. I think you are forgetting about the professional sports, and the professional coaches.