The casio g shock gbd 200 9er g squad series smartwatch combines a lime green resin case and strap with a traditional buckle. It has an lcd digital dial which is protected beneath mineral crystal glass. Power is generated by the quartz movement. This model also has a water resistance of up to 200 metres. Accuracy 15 seconds per month alarm function automatic calendar once set, the automatic calendar always displays the correct date. Button tones on off watch will not beep when switching from one function to another. Preset alarm or countdown timers remain active when the button tones are deactivated. Countdown timer led light resin band synthetic resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties. Shock resistant shock resistant construction protects against impact and vibration. Stopwatch function 12 24 hour timekeeping times can be displayed in either a 12 hour or 24 hour format. World time function displays the current time in major cities and specific areas around the world. Total weight 58g case depth 15mm case width 45.9mm watch movement quartz water resistance 45.9mm