Amazon.com: Casio Men's GW-M5610-1BJF G-Shock Solar Digital Multi Band 6 Black Watch : Clothing, Shoes & Jewelry
GW-M5610BA-1JF CASIO G-SHOCK 【TOUGH SOLAR and MULTIBAND 6】 - YouTube
Did you know: The GW-S5600U is the lightest adult G-Shock ever made. However, by replacing the carbon strap with a standard Casio GW-5000 strap you can further reduce the weight by 15%? :