GWM5610-1,Amazon.com: CASIO G-Shock GW-M5610U-1BJF [20 ATM Water Resistant Solar Radio Wave GW-M5610 Series] Shipped from Japan : Clothing, Shoes & Jewelry,Casio G-SHOCK GW-M5610U-1BJF GW-M5610U-1B GW-M5610U GW-M5610 Digital Black | eBay,Amazon.com: Casio Men's GW-M5610-1BJF G-Shock Solar Digital Multi Band 6 Black Watch : Clothing, Shoes & Jewelry,GWM5610-1 | Black Digital Watch - G-SHOCK | CASIO