This high performance watch is easy to use and comfortable to wear when not training. Garmin Refurbished Forerunner 405 GPS-Enabled Sport Watch with Heart Rate Monitor, Black: * The black GPS watch and heart rate monitor features a 2.7cm display diameter * Water resistant * 1000 lap history * 100 waypoints * Automatic sync * Garmin Connect compatible * Virtual Partner * Courses * Auto Pause, Auto Lap, Auto Scroll functions * Custom, goal-oriented workouts * Pace alert * Time/distance alert * Interval training * Customizable screen * Unit-to-unit data transfer * Shock resistant * This refurbished Garmin 405 With Heart Rate Monitor includes rechargeable lithium-ion battery lasts 2 weeks in power save mode, 8 h in training mode