Always improving upon its predecessors, Casio G-Shock introduces their newest series, Rangeman, which is created under the Master of G category of watches. These GW-9400 watches are designed for professional users, such as rangers and rescue workers. In this series, one of its key attributes is the button guards inside the metal button cylinders, protecting it from shock and damage. Furthermore, carbon fiber inserts are fitted inside the wristband, making it much more durable compared to standard bands. There is a plethora of useful functions available on these watches, making them a perfect companion for those who are in need of rugged timepiece. Find the below models at a Casio G-Shock dealer near you.