Hello, I have a used but like new, original "Kospet Tank T3 GPS" watch, 49mm size, black. -Specifications- Accurate positioning using two satellite receivers for (GPS). 49mm size Certified with MIL-STD-810H specifications by passing 15 harsh tests and 28 laboratory tests. Large 1.96-inch AMOLED screen with a resolution of (410 x 502). Supports making and receiving calls with the best sound quality (2 in 1 Chipset). Fully resistant to water and dust with 5ATM & IP69K standards. Strong screen protection layer of (Corning® Gorilla® Glass) 3rd generation. 4 buttons (Power and Select button - Multi-function shortcut button - Up navigation button - Down navigation button). Compass for accurate direction readings wherever you go. Measures atmospheric pressure and displays a graph of changes. Measures current altitude above sea level and graphically displays altitude trends. Large 480mAh battery lasts up to 15 continuous days. AI voice assistant used for (making calls - setting alarms - controlling music) and supports emergency calls. Strong stainless steel metal design. Over 170 sports modes with intelligent automatic recognition of 6 sports patterns and a professional swimming system to identify swimming type and analyze swimming efficiency via SWOLF Score. Compatible with Android 7.1 and iOS 10.0 and above. Monitors health conditions such as heart rate, blood oxygen level (SpO2), stress, and a sleep monitoring sensor. Music control. Customizable watch faces. Features: Water Resistant