Smaller in size, the Garmin Forerunner 45S Watch is a fuss-free running watch that monitors heart rate at the wrist and uses GPS to track your pace, distance, and more. It works with free Garmin Coach adaptive training plans that bring personal coaching to your wrist. Stay connected when you want to with notifications for texts and calls, and feel secure with safety and tracking features that let you send your real-time location to emergency contacts.