Check the listing for details. Garmin Instinct 3 Rugged Outdoor GPS Smartwatch. Condition: New. Listed at 399.99 USD. Instinct 3 is the rugged GPS smartwatch that’s designed to be worn through anything. Follow yours, wherever the adventure leads. Features: Explore confidently with a rugged design, including a metal-reinforced bezel and scratch-resistant display. See and be seen with a built-in flashlight, featuring variable intensities and an alternate red light. Make bold moves with health monitoring features, including heart rate, advanced sleep monitoring, Pulse Ox3 and more. Receive emails, texts and alerts on your watch when paired with your compatible Apple® or Android™ smartphone. Battery Life: Solar Edition: unlimited battery life in smartwatch mode with solar charging. AMOLED Edition: 45MM: up to 18 days of battery life in smartwatch mode. 50MM: up to 24 days of battery life in smartwatch mode.