Easy to wear and read, this digital g-shock watch from casio has a step tracker and three-tiered display. Black dial with black octagonal bezel and mineral crystal 41. 0mm black square resin and stainless steel case reinforced with glass fiber; the thinnest g-shock yet at 11mm features include dual time, stopwatch, timer, super illuminator auto led backlight for readability, alarms, calendar, and energy-saving feature a motion sensing accelerometer counts steps with progress display on the watch face use the app on your smartphone to easily time and set step targets black resin band; buckle clasp water-resistant to 200 meters we are an authorized casio dealer