The Octopus Watch Motion Edition is an upgraded version of the Octopus Watch.  The band is a bit longer, made of a higher quality silicon and is better able to accommodate a wider range of wrist sizes.  The Octopus Watch Motion Edition also has a fitness tracker.

Version 1Version 2
Motion trackerNoYes
Touch panelNoYes
Mechanical buttonYesNo
Silicone bandMediumSoft
Band length4 1/3 to 6 1/3 inches
from 4.92 in to 7.87 in

*Real Time Clock: keep the time even with an empty battery