Garmin Forerunner 55 Smart Watch - Heart Rate Monitor, Accelerometer - Clock Display, Alarm, Timer, Stopwatch, Calendar, Text Messaging, Email, Sleep Monitor - Heart Rate, Sleep Quality, Steps Taken, Calories Burned, Distance Traveled - 1" - Bluetooth - GPS - 336 Hour - 1.65" - 1.65" - Aqua - Glass Lens - Silicone Band - Health & Fitness, Running, Outdoor, Tracking, Cycling, Biking, Swimming - Water Resistant - 164.04 ft Water Resistant: