Casio Men's GD100BW-1 G-Shock Magnetic Resistant Black Resin Digital Watch Made in USA or Imported G-shock resistant, auto led light (super illuminator), flash alert World time (31 time zones/48 cities + utc), multi home time 4 5 independent alarms (one time or daily), countdown timer 12/24 hour formats, mute function Water resistant to 660 feet (200 M): suitable for recreational scuba diving