As long as you really gave it a chance...
Look, not everyone has to like the watch, and in fact it's definitely not for everyone in its current incarnation, but 5-6 hours of playing with it will give you basically the worst possible impression. The watch is best when you're using it for short interactions and notifications, and at its worst when you're playing around with it for extended periods. I was on the fence for about a week, until I realized all of the little ways that it was saving me time and effort.
That's odd, since the point of the watch is to take over for your phone. My phone does not vibrate or make any sort of noise for notifications while the watch is on my wrist.
I suppose you loaded it up with third party apps? By and large they suck. I only use a handful at this point.