If the Sony SmartWatch 2's styling and design language look familiar, that's because it's made to complement Sony's Xperia smartphones. Square and flat, the device has a big, circular power button on its right side.
While the Sony SmartWatch 2 has a limited number of watch faces preloaded, you can add your own from third-party developers. Sadly, the device treats them as apps, so they'll stop running if other software or events takes precedence.
The Sony SmartWatch 2 has a music player app that is designed to command your phone's audio software. It can be quirky at times, either using the standard Android music player or launching the Google Play Music app seemingly at random.