Garmin Instinct 3 GPS Smartwatch - 50mm Solar Black/CharcoalEngineered to take on your toughest adventures, Instinct 3 is the rugged 50 mm GPS smartwatch with bolted construction, a metal reinforced bezel and scratch resistant lens. It features a 1. 1 display, built in LED flashlight and 24 7 health and wellness tracking. Follow your instinct longer, thanks to unlimited battery life in smartwatch mode with solar charging (assumes all day wear with 3 hours per day outside in 50,000 lux conditions).