Casio G-Shock SKY COCKPIT Triple G Resist Multi-Band 6 Atomic GW-4000R-4A Mens WatchCasio G Shock SKY COCKPIT Triple G Resist Multi Band 6 Atomic GW 4000R 4A Men's Watch This G Shock Aviation Sky Cockpit is the JDM version of the Gravitymaster, which makes it all the more exciting. Latest technology makes it suitable for rough, professional use. The Alpha Gel is found only among the GW 4000 series. It is what gives the modern G Shock the strength to bear extreme shock. For them who demand some extra durability in a simple,