Constructed from premium stainless steel and featuring a slim analog-digital combination module, the Casio G-Shock GM-B2100GD-5ADR Men's Watch blends form and function to create a sophisticated and practical timepiece. The screw-back case, octagonal bezel, and dimpled band design pay homage to the original 1983 model and provide added durability. With advanced features such as the ability to connect to your smartphone via Bluetooth®, high-density mounting, and Tough Solar power, this watch offers style and convenience in one package. Plus, its double LED light makes it easy to read in any lighting conditions. Other useful features include a stopwatch, countdown timer, alarms, and a full auto-calendar. With a battery life of up to 18 months, this watch is the perfect choice for those who need a reliable timekeeping companion.