About this item Imported Quartz Movement: Reliable Japanese quartz movement, ensure precise time keeping. LED Backlight designed, make the night not dark, more easy to check the time at the night or where the light is not strong The highly clear resin material and sealed with the case by high frequency machine.The mineral dial window is extremely hard and pressure-tolerant 50M Waterproof suitable for daily use,hand wash,rainy day,Not suitable for diving,swimming Fashionable sporty dial design, Military Sport Designer, A perfect gift for any gift giving occasion, Any questions, please kindly contact us, we would always offer best solution to you.