Casio G-SHOCK GA-B2100BNR-1ADR WatchANALOG DIGITAL 2100 Series GA B2100BNR 1A Make a bold, powerful statement with the Ignite Red line in the iconic black and fiery red that embody the ultimate toughness of the G SHOCK brand. We have injected a few of our flagship models the octagonal GA B2100 with Bluetooth and solar power; the oversized, solar powered GAS 100; the GA 100, GA 2200 and GA 700 with signature oversized case with the strength and passion of the black and red G SHOCK brand