Display: Always-On Retina LTPO OLED, 396 × 484 pixels

Chip: S9 SiP with 64-bit dual-core processor

Storage: 64GB

Battery Life: Up to 18 hours; up to 36 hours in Low Power Mode

Charging: Fast charging (0–80% in ~45 minutes)

Sensors:

Third-generation optical heart sensor

Blood oxygen sensor

Electrical heart sensor (ECG)

Temperature sensor

Accelerometer (up to 32 g-forces)

Gyroscope

Ambient light sensor

Connectivity:

L1 GPS, GNSS, Galileo, and BeiDou

Wi‑Fi (802.11b/g/n 2.4GHz)

Bluetooth 5.3

Water Resistance: 50 meters

Build & Band:

Aluminum case

Midnight color

M/L Sport Band

Dimensions: 45mm height × 38mm width × 10.7mm depth

Weight: 38.7 grams

Compatibility: Requires iPhone 8 or later with iOS 17 or later

Battery: 97%