GW2310-1 | Black Digital Watch - G-SHOCK | CASIO,CASIO G-SHOCK GW-7900B-1JF Black Resin Tough Solar Digital Watch | eBay,Gshock gw-7900b,GW7900B-1 | Solar Atomic Black Watch G-SHOCK | CASIO,GW-7900B. I've owned 5 G-Shocks, and this one is my favorite so far. Multiband 6, countdown timer, solar, moon phase, high tide, world time, stop watch, 5 alarms. Easy to read in