+ Very long term (5 days and more)
+ Great screen, which works well even in the brightest sun
+ Effective vibrating alert
+ Robust and waterproof
+ Built-in motion sensor for Fitness Apps (eg Misfit)
+ Magnetic compass as an app
+ Lots of interesting apps, even games like Chess and Sokoban
+ Watch design can be easily created itself ([...])
- Protruding bracelet strap sucks, but I'm going to replace the rubber band against a metal bracelet.
Problems with accidentally pressed buttons or the display, and the connection to my phone (Pre3) I did not.