Casio Men's SGW400HD-1B Sport Multi-Function Grey Dial Watch Silver-tone luminous hour hands; Digital time and date display World time (31 time zones and 48 cities); Altimeter, barameter and therometer 1/100th seconds stop watch; 5 alarms 12/24 hour formats; Countdown timer Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving