Nixon Men's 'Comp' Plastic and Silicone Automatic Watch, Multi Color (Model: A4082314-00) Ultra thin electroluminescent backlight with 100 meter/10 ATM water resistance Day, date, chrono and countdown timer with lockout feature to ensure countdown is never disturbed Automatic-self-wind Movement Case Diameter: 38mm Water Resistant To 100m (330ft): In General, Suitable for Swimming and Snorkeling, but not Diving