Casio Men's EFA-121D-7AVDR Edifice Analog-Digital Display Quartz Grey Watch Quartz movement 44.9MM Dual stopwatch, Stainless steel band, Electro-luminescent backlight, Thermometer, 50 lap time memories World time (30 time zones), Daily alarm, Auto-calendar Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving