Instinct 3 is the rugged 45 mm GPS smartwatch with a 0.9~ display, built-in flashlight and unlimited battery life in smartwatch mode with solar charging (assumes all-day wear with 3 hours per day outside in 50,000 lux conditions). With bolted construction, a metal-reinforced bezel and scratch-resistant lens, it can take on your toughest adventures. It~s engineered to MIL-STD-810 standards for thermal and shock resistance and is also 10 ATM water-rated. To keep you on track, the Instinct 3 smartwatch includes a built-in 3-axis compass and barometric altimeter. Plus, multi-band GPS with SatIQ technology delivers superior positioning while also optimizing battery life. Its 24/7 health and wellness features keep you connected to your body with heart rate tracking, advanced sleep monitoring, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries). Instinct 3 also includes Garmin~Pay contactless payments (with a supported bank).