The Tom Tom Spark 3 large GPS sports watch is an ultra-slim device providing accurate GPS tracking for multiple sports including swimming, running & cycling & has been designed to monitor your activities all day, every day. It ensures one-button control for easy navigation through menus & has Interval Training mode to let you improve speed & fitness with custom work-rest sessions. Push your boundaries & discover new trails with Route Exploration feature & choose from over 50 Personal Workouts tailored to your fitness level to reach your goals faster. This multisport watch is water resistant up to 40m/130ft (5atm) & enables you to select one of your past workouts & race against yourself. To check incoming calls & messages on your watch via Bluetooth®, there are Phone Notifications & the device is compatible with Tom Tom Sports app to offer personalized & actionable feedback on your progress.