1.4 Super AMOLED, 450x450px 321ppi, Exynos W920 Dual-core 1.18GHz, 410mAh Battery, Android Wear OS 3.5, One UI Watch 4.5, Bluetooth, Wi-Fi The Sapphire crystal glass face is 1.6x stronger to stand the test of the hardest days. Water-resistant. Advanced Sleep Coaching analyzes sleep patterns and creates a 5-week program with helpful tips and checklists for better sleep habits. 3-in-1 Bioactive Sensor - An improved, curved sensor design gets closer to your skin for more accurate heart rate and wellness readings. Compatible with Android and iOS devices. Supports SAMSUNG Pay. 4G LTE Bands: B2 (1900 MHz), B4 (1700 MHz), B5 (850 MHz), B12 (700 MHz) - eSIM. Cellular LTE model Compatible with GSM and CDMA Carriers like T-Mobile, AT&T, Verizon, etc. Contact Carrier to Register. The Samsung Galaxy Watch 5 features an Exynos W920 processor, 1.5GB of RAM, and 16GB of storage. It has a Super AMOLED display with options for 40mm and 44mm sizes and runs on Wear OS. Key specs include advanced health sensors, GPS, Bluetooth 5.2, Wi-Fi, and a battery that supports faster wireless charging. It is also IP68 water and dust resistant and MIL-STD-810H compliant.