FULL METAL - GM-B2100 | CASIO,GMB2100BPC1A | G-SHOCK FULL METAL Black | CASIO,Casio G-Shock Full Metal GM-B2100BPC-1AJF,GMB2100BPC1A | G-SHOCK FULL METAL Black | CASIO,G-Shock GMC-B2100ZE-1A officially announced: Should you buy the black and gold 'Zero To One' chronograph? - G-Central G-Shock Fan Site