The CASIO GBD-200UU-1ER 45mm Watch designed to enhance workouts and running by utilizing functions such as accelerometer, distance measurement, and smartphone linkage via Bluetooth. You can also check the life log and activity history of steps and calorie consumption with the dedicated app "G-SHOCK MOVE" to support your daily workout. Essential kit for daily health management, workout enhancement and strengthening the endurance of running. Dimentions of 48.4 x 45.9 x 15.0mm.