Premium multisport watch with durable metal housing and a high-strength, scratch-resistant sapphire lens Elevate wrist heart rate technology measures heart rate at the wrist, giving you the option to monitor your heart rate without wearing a chest strap 1.2-inch always-on, sunlight-readable color Garmin Chroma Display Outdoor sensors, including GPS and GLONASS satellite reception and barometric altimeter with 3-axis compass Receive smart notifications like emails, texts, alerts and more Battery life: up to 8 days in smartwatch mode (depending on settings), up to 13 hours in GPS mode or up to 25 hours in UltraTrac battery saver mode