sw5000Pursuing further toughness while inheriting the DNA of the first G-SHOCK model (DW5000) the GW5000U-1 is constructed with a solid metal case and a screw back. This timepiece is alsoFormNo. 3412-402RevA TimeCutter®SW5000Riding Mower ModelNo.74790—SerialNo.400000000andUp ModelNo.74795—SerialNo.400000000andUp