The Casio 3 Eye G-Shock GA100-1A1 Watch (Black) is the perfect wristwatch for water enthusiasts or professional military or law enforcement operators such as divers who need exceptional timekeeping under water. The G-Shock GA100-1A1 lives up to the Casio reputation for excellence in so many ways, including its considerable 55 x 51.2 x 16.9mm size and water resistance up to 200 meters.

This shock-resistant watch from Casio is also anti-magnetic to prevent inaccurate time, something that could save your life if you find yourself scuba diving, for example, where time really can run out. Other high-performance features include an auto LED light that allows you to tell time easily in dark or dim lighting. There are also four daily adjustable alarms, snooze alarm and hourly time signal, which helps you know how exactly much time has passed.

This water-resistant Casio watch also features a handy stopwatch with 1/1000^th of a second indicator for absolute accuracy when it matters