Apple Watch SE GPS 40mm Midnight Aluminium Case with Midnight Sport Band - M/L. Display technology: OLED, Display resolution: 324 x 394 pixels, Touchscreen. Flash memory: 32 GB. Wi-Fi. GPS (satellite). Weight: 26.4 g. Waterproof up to: 50 m, Band material: Rubber, Band colour: Black, Band size: M/L. Operating system installed: watchOS 11