Important Features 46 mm (1.43 inches) in size Resolution of the display: 466 x 466 pixels Type of connection: NFC, Bluetooth 5.2 OS: iOS 13.0 or later, Android 8.0 or later Side control button and main control button (rotating crown) Integrated microphone and speaker Resistance to water: up to 50 m Size of Wrist: 140–210 mm The strap Composition: Fluorelastomer, Composite, Leather, and Stainless Steel Composition: Stainless Steel A battery Capacity: 14 days with typical use Wireless charging Measurements: 46 x 46 x 10.9 mm Weight (without strap): 48 g