Product Identifiers Brand Apple MPN MTF32LLA UPC 0190198806772, 0190198806925 Model Apple Watch Series 3 eBay Product ID (ePID) 27037099713 Product Key Features Band Material Aluminum Case Material Aluminum Manufacturer Band Color Black Storage Capacity 8 GB Features Accelerometer, Fitness Tracker, Bluetooth Enabled, Water-Resistant, Caller ID, Blood Pressure Monitor, Wi-Fi Capable, Touchscreen, Heart Rate Monitor, GPS, Wireless Charging Band Color Black Network Unlocked Series Apple Watch Series 3 Case Size 42 mm Compatible Operating System iOS - Apple Operating System Apple Watch OS