This G-Shock Classic series watch combines a black resin case and strap with a black dual display dial and luminescent hands. It uses a quartz movement and has many functions listed below in detail. Accuracy +/- 15 seconds per month Alarm function Automatic calendar Once set, the automatic calendar always displays the correct date. Countdown timer Date and weekday display Display illumination Auto Light: The watch dial will illuminate automatically when you tilt your wrist towards you. Once activated, this feature will automatically deactivate after six hours. LED light selectable illumination duration (1.5 seconds or 3 seconds) Hand moving function With a push of a button, hands move away to permit free visibility. Low-temperature resistant Even temperatures as low as -10 °C/ 14°F have no effect on this watch. Resin band & case Synthetic resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties. Shock-resis