- Display: 1.9-inch Always-On Retina (largest at launch)
- Size: 45mm case
- Material: Aluminum, stainless steel, or titanium (varies by model)
- Color: Black
- Durability: Crack-resistant, dust-resistant (IP6X), water-resistant (50m)
- Health Features:
- ECG app for heart monitoring
- Blood oxygen (SpO2) sensor
- Optical heart rate sensor
- Fitness & Activity: GPS, workout tracking, and Apple Fitness+ support
- Battery Life: Up to 18 hours, fast charging support
- Connectivity: GPS + Cellular (optional), Wi-Fi, Bluetooth 5.0
- Operating System: watchOS (upgradable to latest version)
- Extras: Customizable bands, Apple Pay, Siri support
