Designed for adventure, introducing Series 18 with built in GPS capabilities. Accurately plot your route and track your performance on your wrist, whilst walking, running or several other activities. Series 18 is your perfect training partner, with built in heart rate monitor, multiple sports tracking and music control. You can track your fitness progression through the Reflex Active Blue App. Set your goals and smash them! The Series 18 includes great wellness features including sleep analysis, hydration reminders and breathing exercises. A generous touch screen makes this watch perfect for use in various conditions and with up to 10-day battery life, Series 18 has the power to keep going however long your adventures last. Our comfortable, Khaki sports silicone strap is designed for all-terrain adventure.