men's casio g-shock g-steel black resin band watch gstb100g-2a casio embrace a new layer of toughness with this men's casio g-shock g-steel watch. featuring a stainless steel bezel and case, this timepiece sports a rugged look and maintains the shock resistant structure for which g-shock is known. tough solar technology and bluetooth connectivity enables the watch to connect to an internet time server for accurate timekeeping functions. completing the look is a black resin band that comfortably secures to your wrist with a buckle closure.58.1x53.8x14.1mm stainless steel casestainless steel bezelmineral crystalshock resistantday/date calendar200meter water resistantsuper illuminator led lightneobrite luminous handsworld timedual time display1 alarmstopwatchcountdown timerbluetooth(r) connectedsolar poweredblack resin strap with buckle closurecasio style#: gstb100g-2a