G Shock MTGB2000XD 1A Carbon Core Guard watch case colour@Multi Tone afterglow Calendar: Full auto calendar afterglow Calendar: Full auto calendar (to year 2099) Mute feature: Button operation tone on off Battery display alert: Low battery alert Accuracy: ±15 seconds per month 12 24 hour format Regular timekeeping: Hour This watch features precise quartz movement and chronograph functionality Home city time swapping auto summer time (DST) switching • 1 second stopwatch • Countdown timer • Countdown range: 24 hours • Daily alarm • Power Saving (hands stop to save power when the watch is left in the dark) • Full auto calendar (to year 2099) • 29 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) • Size of case : 55