The Casio G-SHOCK Origin is a solar-power-only watch capable of tracking and digitally displaying steps. Black sunray analog-digital dial with gray phosphorescent-finish hands and markers 52.0mm black bio-based resin case; vapor deposition-finish bezel ring Mineral crystal Functions include world time, stopwatch, timer, alarm and on/off high-brightness LED light Tough Solar Japanese quartz and digital movement Pair to smartphone via Bluetooth® and use the CASIO WATCHES app Black bio-based resin band; buckle clasp Water-resistant to 200 meters We are an authorized Casio dealer