Casio G-Shock GA-900-1AER Analogue-Digital Watch for Men has super illuminutetor at the touch of a button, the display can be brightly illuminuteted in a fashionable color shock-resistant shock-resistant construction protects against impact and vibration. World time function displays the current time in major cities and specific areas around the world. The stopwatch function 1/10 seconds 24 hours time lapsed, interval time and end time are measured to the nearest one-tenth of a seconds. The watch has a timinute capacity of up to 24 hours. Specifications: analogue digital, multifunction, mechanism: quartz, case material: steel ip treatment, material of strap: steel ip treatment, type of closure: deployment buckle, waterproof, 100 meters, calendar, date, luminescent yes, glass: anti-reflective sapphire.