Casio Men's G-SHOCK GW-5000 Heritage Series GW-5000HS-1JF WatchProduct Highlights Introducing the monochrome model of the GW 5000, which inherits the DNA of the original G SHOCK DW 5000C born in 1983 and has evolved into a radio controlled solar timepiece. This model faithfully reproduces the details of the first generation model, such as the sturdy metal case, screw back, and face design. While deeply rooted in the DNA of the original model, it pushes further for toughness. The metal case and screw back are