Future - Calendar events around the clock
Fitbit Blaze - Fitbit Blaze is a smartwatch that includes both a heart rate monitor and a fitness activity tracker. It comes with a color touchscreen, and you can change both the watch's strap and frame. Read more about Fitbit Blaze.
Loxi - Easily add an events calendar to any website.
Fitbit Charge - Activity and sleep tracking wristband
Whenever - Casual calendar app for iOS
Moto 360 - The round smart watch is finally here.