Casio Men's GD100-1ACR G-Shock X-Large Black Multi-Functional Digital Sport Watch Importado Shock resistant; Auto LED light; 1/100 second stopwatch World time (31 time zones and 48 cities and UTC) 5 alarms; Countdown timer; 12/24 hr formats; Multi-home time Flash alert; Black resin case and strap Water resistant to 660 feet (200 M): suitable for recreational scuba diving