First Casio G-SHOCK made of steel/metal - MR-G from the 90s (Ref. MRG-100) - YouTube
CASIO G-shock MR-G MRG-100 Digital Watch Resistant - Etsy
CASIO G-shock MR-G MRG-100 Digital Watch Resistant - Etsy Finland
FS: MRG-100 (DW-8900) (EU seller) - myWatchMart
CASIO G-SHOCK - <EXCLUSIVE INVITE to The Underground Fight Club> 4 more days to the #GSHOCKGAMECHANGER event - Featuring G-SHOCK's 1st stainless steel case and band model, MRG-100, launched in 1996. -