Push your limits while staying smart with this Garmin Instinct E 45mm Bluetooth smartwatch. It is built to endure tough conditions with 10ATM water resistance and MIL-STD-810 construction. With up to 16 days of battery life, you can keep exploring without worrying about charging. Health monitoring features and built-in GPS keep you on track and informed during every adventure. | Garmin Instinct E 45mm Bluetooth Multisport Smartwatch - Black/Charcoal