Balance function and standout style with this g-shock watch. 51. 2mm black bio-based resin and stainless steel case with mineral crystal black dial with silver-toned metal hands, markers and speed sub-dial, and led light with afterglow shock and magnetic resistant functions include world time, stopwatch, countdown timer, alarm, and speedometer japanese quartz and digital movement keep accurate time. Adjustable black resin band; black ion-plated buckle clasp shock resistant; water resistant to 200 meters