Nixon Men's 'Comp' Plastic and Silicone Digital Watch, Color:Black (Model: A4081089-00) 38mm Case Diameter Ultra thin electroluminescent backlight with 100 meter/10 ATM water resistance Quartz Movement Water Resistant To 30m (100ft): In General, Withstands Splashes or Brief Immersion In Water, but not Suitable for Swimming or Bathing