Casio G-Shock Mens Watch G6900A-9DTough Solar Power Shock Resistant 200M Water ResistantFull Auto EL Backlight with Afterglow World Time 4 Daily alarms and 1 Snooze AlarmHourly time signal 1/100 second stopwatch Full auto-calendar (pre-programmed until the year 2099)12/24 hour formats Button

Casio G-Shock Mens Watch G6900A-9DTough Solar Power Shock Resistant 200M Water ResistantFull Auto EL Backlight with Afterglow World Time 4 Daily alarms and 1 Snooze AlarmHourly time signal 1/100 second stopwatch Full auto-calendar (pre-programmed until the year 2099)12/24 hour formats Button operation tone on/off Accuracy: +/- 15 seconds per month Storage battery: Solar rechargeable battery