Key Features & SpecificationsCase: 49mm aerospace-grade titanium case (available in Natural Titanium or Black Titanium) with a sapphire front crystal.Band: Molded fluoroelastomer Ocean Band with a titanium buckle, designed for water sports and recreational diving.Battery Life: Up to 42 hours of normal use, and up to 72 hours in Low Power Mode.Connectivity: GPS + Cellular (LTE and 5G support, dual-frequency L1 and L5 GPS).Water Resistance: 100 meters water resistance, suitable for high-speed water sports and recreational scuba diving down to 40 meters.Health & Safety: Sleep score tracking, sleep apnea notifications, high/low heart rate alerts, fall detection, crash detection, and a built-in 86-decibel siren