GW-M5610U-1,GW-M5610BB-1,Amazon.com: Casio Men's GW-M5610-1BJF G-Shock Solar Digital Multi Band 6 Black Watch : Clothing, Shoes & Jewelry,CASIO G-SHOCK GW-M5610BB-1JF Black Resin Tough Solar Digital Watch,CASIO G-SHOCK GW-M5610BB-1JF Black Resin Tough Solar Digital Watch