Check Out The AWESOME Pebble watch on Kickstarter :

it’s an E-ink watch that connects to your iOS Device Or Android, over Bluetooth and can vibrate when you have an incoming call, text message or email. Other features and specs include a 3 axis accelerometer with gesture detection, a 144 x 168 pixel display black and white e-paper, Bluetooth 2.1 +EDR and a water resistant build (splashing, rain, sweat, etc). Check out the video: