Casio G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery

G-SHOCK GD100-1B: The Ultimate High-Visibility Tactical Watch The Casio G-SHOCK GD100-1B is built for toughness and visibility, featuring a Super Illuminator high-brightness LED for superior nighttime readability. Designed for military, law enforcement, athletes, and outdoor adventurers, this all-black, shock-resistant digital watch combines functionality and rugged durability. The large display, dual-time feature, and world time function allow you to stay on schedule across multiple time zones, making it perfect for travelers and professionals. The 1/100-second stopwatch and countdown timer help with training, workouts, and timing tasks, while five daily alarms ensure you never miss an important event. 200M water resistance, shock resistance, and a 7-year battery life make this watch low-maintenance and adventure-ready. Whether you're hitting the gym, going on a mission, or exploring the outdoors, the G-SHOCK GD100-1B is your go-to watch for extreme performance.

Casio

With the launch of its first watch in November 1974, Casio entered the wristwatch market at a time when the watch industry had just discovered digital technology. As a company with cutting-edge electronic technology developed for pocket calculators, Casio entered this field confident that it could develop timepieces that would lead the market.

Today, Casio is focusing its efforts on solar-powered radio-controlled watches: the built-in solar battery eliminates the nuisance of replacing batteries, atomic timekeeping means the users never have to reset the time. Recently, Casio launched a series of Bluetooth watches that sync to the users cell phone to automatically update the time. Casio is always moving time forward.