What watch is this ? I know it's a frogman but what variation or version exactly ? I do know it is a 100 percent authentic as my dad bought it from a authentic casio shop many years ago . : r/gshock,GW-8230B-9A | CASIO,G-SHOCK CASIO Casio Watch GF-8250-9 FROGMAN Tough Solar Yellow Frogman Frog DW-8200 Digital Mikunigaoka Store IT0IYN1A6QLU | eLADY Globazone,DW-8200-1A,CASIO G-SHOCK DW-8200-1A Frogman 2nd Generation Digital