Get the ultimate smartwatch experience with the Samsung Galaxy Watch SM-R810 42mm in Midnight Black Case Classic Buckle Onyx Black. Stay connected with your phone with Bluetooth and Wi-Fi capability and track your fitness with the built-in accelerometer, gyroscope, GPS, and heart rate monitor. This watch also features wireless charging, NFC, and is waterproof, making it the perfect companion for any activity. With 4GB of storage, this watch is compatible with both iOS and Android operating systems, and has a sleek stainless steel case and comfortable black silicone band.