Samsung Galaxy Watch 8 40mm (Graphite)

General

• Model: Samsung Galaxy Watch 8 (40mm)

• Dimensions: 42.7 × 40.4 × 8.6 mm

• Weight: 30 g

• Build: Sapphire crystal glass, Armor Aluminum 2 frame

• Water/Dust Resistance: 5 ATM + IP68, MIL-STD-810H certified

Display

• Type: Super AMOLED

• Size: 1.34 inches

• Resolution: 438 × 438 pixels (~327 ppi)

• Brightness: Up to 3000 nits

• Protection: Sapphire crystal

Performance

• Chipset: Exynos W1000 (3 nm)

• RAM: 2 GB

• Storage: 32 GB (internal)

• Operating System: Wear OS 6 (One UI 8 Watch)

Battery

• Capacity: 325 mAh

• Charging: Wireless charging

• Battery Life: Up to 30–40 hours (varies by usage)

Connectivity

• Bluetooth: 5.3

• Wi-Fi: Dual-band (2.4 GHz / 5 GHz)

• NFC: Supported

• GPS: Dual-frequency (L1 + L5), GLONASS, Galileo, Beidou

• Cellular: Optional LTE model (region-dependent)

Sensors

• Accelerometer

• Gyroscope

• Barometer

• Optical Heart Rate Sensor

• Bioelectrical Impedance Analysis (BIA)

• ECG

• Skin Temperature Sensor

Features

• Health and fitness tracking

• Sleep and stress monitoring

• Body composition measurement

• ECG and blood pressure monitoring (region-dependent)

• Always-On Display

• Samsung Pay support (via NFC)