Display: Always-On Retina display, 1.9-inch, edge-to-edge, ~20% larger than Series 6

Case Size: 45mm

Materials: Aluminum, Stainless Steel, or Titanium

Chip: S7 SiP (64-bit dual-core processor)

Health Sensors: Blood Oxygen sensor, ECG, optical heart sensor (3rd-gen)

Water Resistance: WR50 (swim-proof)

Durability: Crack-resistant front crystal, IP6X dust resistant

Battery Life: Up to 18 hours, fast charging

Connectivity: Wi-Fi, Bluetooth 5.0, optional LTE (GPS + Cellular models)

OS: watchOS 8 (upgradable to latest)

Battery 100%