Sony SmartWatch 3 SWR50 official Pictures. Sony SmartWatch 3 SWR50 is a Watch of sony. The Sony SmartWatch 3 SWR50 Android Watch. Announced Feb 2014. Features 1.6″ Display, 420 MAh Battery, 4 GB Storage, 512 MB RAM. Sony SmartWatch 3 SWR50 price starts.