Casio G-SHOCK GW-6900 (3179) Wave Ceptor Atomic Multi-Band 6 Tough Solar 50mm,Is this a nice model of gshock : r/gshock,CASIO G-SHOCK GW6900KG 3179 3-Star Tough Solar Radio Controlled 46mm Watch,Casio G-SHOCK GW-6900 (3179) Wave Ceptor Atomic Multi-Band 6 Tough Solar 50mm,Is this a nice model of gshock : r/gshock