Casio G-Shock Original GA-2100-1A2ER Carbon Core Guard Utility Black Series | Hodinky-365.com
Casio G-Shock 2100 Utility Black Series Blue Detailing GA-2100-1A2ER - First Class Watches™ IRL
CASIO G-Shock Norway
Casio G-SHOCK GA-2100-1A2ER: TicTacArea Review
Casio G-Shock CasiOak GA-2100-1A2ER - Ditur
My first G-Shock. This blue version was tough to find. I'm in the United States, and I had to buy it off an eBayer in Italy. GA-2100-1A2ER. Fun watch to fidget with. :