Apple Watch Series - Full screen ahead.
Apple Watch Series 3 - Apple's newest internet-connected smartwatch
ŌURA Ring - Advanced sleep and fitness tracker
Apple Watch Series 2 - The new Apple Watch
fitbit - The Fitbit mobile app is for people who use Fitbit fitness trackers to keep track of their activity goals, food plans, and other fitness related things. Read more about fitbit.
Moto 360 - The round smart watch is finally here.