A casio g shock classic octagon series watch composed of a carbon reinforced resin case and resin strap with a buckle clasp. This black watch has a black dial with luminescent hands and lcd digital displays, all of which are powered by a quartz movement. Mineral crystal also protects the dial and allows a 200 metre water resistance. Accuracy 15 seconds per month 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. Carbon reinforced resin casing combining resin with robust carbon creates a casing that is even more stress resistant offering even greater protection with an extremely high level of durability. 5 daily alarms hand moving function with a push of a button, hands move away to permit free visibility. Led light neo display a luminous coating provides long term illumination in the dark after only a short exposure to light. Shock resistant shock resistant construction protects against impact and vibration. Stopwatch function timer 1 1 min. 24 hours countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time. The time can be set to the nearest minute and up to 24 hours in advance. Ideal for people who need to take medicines every day or those who do interval training. 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 51g case depth 11.8mm case width 48.5mm watch movement quartz water resistance 200 metres