Garmin Enduro 2 Gray Watch 010-02754-01 Power Sapphire titanium Nylon strap. Watch with fiber-reinforced polymer case with titanium case back measuring 51 x 51 mm and 15.6 mm thick. 35.5 mm diameter transflective MIP anti-glare screen. 280 x 280 pixels. Smartwatch battery: up to 34/46 days with solar charging,Smartwatch: up to 34 days/46 days with solar charging. Energy saving clock mode: up to 111 days / 550 days with solar charging. GPS: up to 110 hours/150 hours with solar, All satellite systems: up to 78 hours/96 hours with solar, All satellite systems and Multiband: up to 68 hours/81 hours with solar, All systems Satellite and Music: up to 20 hours, Maximum battery life in GPS mode: up to 264 hours / 714 hours with solar charging, Expedition GPS: 77 days / 172 days with solar charging, Solar charging, wearing all day, 3 hours per day outdoors under 50,000 lux lighting conditions, Solar charging, use under 50,000 lux lighting conditions. Gray nylon strap with buckle closure. 10 ATM water resistance. Delivered with original box and official guarantee.