Originally Posted by Seattle Forrest

I use a Fenix watch. Like it very much. The screen is smaller than a normal bike computer, if you do other "sports" it's a good tradeoff. If you're only a cyclist it may not be. The Forerunner series has a quick release system that lets you mount it to your bars or stem while you ride, so you don't have to turn your wrist. It'll talk to a power meter, etc. I don't know about the FR specifically, but the Fenix series will do turn-by-turn on the bike, I'd expect the FR to be able to, too.