This men's casio g-shock g-steel watch features a black dial, luminous silver-toned hands and markers, a sub-dial with day and mode indicator, a dual-time sub-dial, date display, led light with afterglow with mineral crystal and a satin-finished bezel in a 50. 0mm black ion-plated stainless steel case. This design satisfies all basic timekeeping needs with alarm, stopwatch, timer, auto calendar and world time functions. With bluetoothâ® capability, this style links to the connected phone app for easy use. The japanese quartz and digital movement keeps accurate time while tough solar technology ensures a stable supply of power. The black resin strap secures with a buckle clasp. Water resistant up to 200 meters, this watch includes a 1-year limited warranty. We are an authorized casio dealer.