Original Xiaomi Youpin Amazfit GTR 47mm Iron Man Series Limited Version 1.39 inch AMOLED Screen Bluetooth 5.0 5ATM Waterproof Smart Watch, Support 12 Sport Modes / Heart Rate Monitoring / NFC Analog Door Card / GPS Positioning
Huami Amazfit GTR (47 mm) Review: Stylish smartwatch with great battery life-Tech News , Firstpost
Amazfit GTR with AMOLED display, 50-meter water resistance, up to 24 days battery life announced