This needs a battery, it does work.

This Casio G-Shock watch for men features a unique purple metallic dial that is sure to catch the eye. It is powered by a reliable quartz movement and has a water resistance of 200 meters, making it suitable for daily wear and occasional water activities. The black digital display is complemented by a black resin band and case, giving it a sleek and casual appearance that is perfect for any occasion.

In addition to its stylish design, this watch also includes features such as an alarm, day and date display, and water resistance up to 200 meters. It comes without original box/packaging or papers, but is sure to be a valuable addition to any watch collection. Whether you're looking for a daily wear watch or something for special occasions, the Casio G-Shock DW-6900MF-1 is a great choice.