Welcome to the evolution of Speed & Intelligence the high-spec, high-tech beauty of the EDIFICE metal chronograph with serious style and effortless smartphone connectivity. With this model, its a snap to sync with your smartphone via Bluetooth and tap into the CASIO WATCHES app for full functionality at your fingertips. The app ensures button-free precision timekeeping when your phone is near. Developed to meet the needs of racing teams, the schedule timer syncs with your smartphones calendar app to transmit schedule items to the phone and display start and end times on the watchs LCD. Equipped with LED light that illuminates with just a tilt of the wrist.