Smart watch Y1 - HOCO | The Premium Lifestyle Accessories
Bangle.js 2 - Espruino
Amazon.com : SPORTIMES Smart Watch,1.3in Touchscreen Display,Fitness Activity with Pedometer, Sleep Monitor,Fitness Trackers with Heart Rate Monitor, for iOS and Android : Sports & Outdoors
Amazon.com: Smart Watches for Men with Phone Function (Answer/Make Call) 1.8" HD Smartwatch IP67 Waterproof Fitness Watch Tracker for Android iPhones with 30 Sport Modes Pedometer Heart Rate Sleep Monitor Green :
Y1 Smartwatch Factory firmware / rom needed. : r/BudgetSmartWatches
WatchMaster watchface app released for the Samsung Gear S2 - SamMobile - SamMobile