I've been using Google since I was a teenager and I had no idea it had a stop watch/timer. Maybe it is new? I doubt it. Try it yourself, do a search for [set timer for X].
Here is an animated GIF of my query/timer:
This was first spotted on Reddit and then mentioned by Google's John Muller on Google+.
I guess it is an easy way to make people nervous when you are in a meeting?
