Amazon is running its Big Spring Sale promotion from March 20 to March 25, and there are many deals on Casio watches including G-Shock. The G-Shock GW6900-1 with Tough Solar and Multi-Band 6 is $78.45 (44% off), which is lower than its usual discounted price lately. GW6900-1 at Amazon.com Another good deal for a Tough […]