Samsung Galaxy Watch5 40mm Graphite (R905 LTE)

• Device type: smartwatch for daily use, health, and fitness (released in 2022).
• Display: 1.2″ Super AMOLED with Always-On Display, protected by Sapphire Crystal glass.
• Resolution: 396×396 pixels, bright and clear even in sunlight.
• Body: aluminum case, water and dust resistance (IP68 + 5ATM), MIL-STD-810H certified.
• Connectivity: Bluetooth 5.2, Wi-Fi, NFC (Samsung Pay), GPS/GLONASS.
• Sensors: heart rate, ECG, SpO₂, sleep and body composition tracking, accelerometer, gyroscope, barometer.
• Battery: up to 40 hours of battery life, supports fast wireless charging.
• OS and chip: Wear OS with One UI Watch, Exynos W920 processor.
• Differences from Galaxy Watch4: improved Sapphire Crystal protection, longer battery life, more accurate sleep and heart rate sensors, improved GPS and haptics.
• Differences from Galaxy Watch6: lower display brightness (1000 nits vs. 2000), older Exynos W920 chip (vs. W930), slightly thicker bezels, and no Galaxy AI features introduced in Watch6.