Samsung Galaxy Watch 8, 40mm Graphite

Design & Display

• Size & Weight: 40 mm case, lightweight and comfortable for daily wear.
• Build: Armor Aluminum body with durable glass (sapphire crystal).
• Display: 1.2–1.34 inch Super AMOLED, bright and vibrant colors.
• Durability: 5 ATM water resistance + MIL‑STD‑810H for shock/dust.
• Bands: Interchangeable straps with integrated lugs for snug fit.

2. Performance & Software

• Processor: Exynos W100 or equivalent Wear OS optimized chip.
• Memory & Storage: 2 GB RAM, 32 GB internal storage.
• Operating System: Wear OS powered by Samsung with One UI Watch 4/5 interface.

3. Connectivity & Sensors

• Connectivity: Bluetooth, Wi‑Fi, GPS, NFC; LTE optional in some models.
• Sensors: Heart rate, ECG, accelerometer, gyroscope, barometer, SpO₂, temperature, bioelectrical impedance (BIA).

4. Health & Fitness Features

• Heart Health: Continuous heart rate monitoring, ECG, irregular heart rhythm alerts.
• Body Metrics: Body composition analysis (BIA), sleep tracking, stress monitoring.
• Workout Tracking: Over 100+ exercise modes, VO₂ max, running coach with heart‑rate zones.
• Wellness Tools: Sleep coaching, activity reminders, hydration tracking.

5. Battery & Charging

• Battery Capacity: Around 325 mAh for 40 mm model.
• Usage: Up to ~40 hours typical use; wireless fast charging supported.

6. Compatibility & Ecosystem

• Device Support: Android 12+ for full functionality; iOS limited support.
• Ecosystem: Integrates with Samsung Health, SmartThings, and other Samsung apps.

Colors & Options

• Colors: Graphite.
• Sizes: 40 mm and 44 mm standard; this list focuses on 40 mm.