This model is capable of linking with mobile devices that comfortably support daily exercise and training. The watch uses a thin case so that it does not interfere with exercise. Equipped with functions useful for daily health management and sports, such as an auto double LED light, a step count measurement function, a timer that can measure up to 5 × 20 sets, and a 200 lap max memory. Additionally, daily activity record management and exercise settings are realized by linking to the dedicated "CASIO WATCHES" app via Bluetooth® communication. It also enables wearers to calculate calories and set targets for numbers of steps. Original watch functions such as automatic time adjustment are also achieved by linking to the app.