Amazon.com: G-Shock Casio Metal Covered Octagonal Black Resin Band Watch GM2100-1A : Clothing, Shoes & Jewelry
Amazon.com: Casio Mens G-Shock Digital Watch, with Quartz Digital Movement, and Multi-Function Alarm, Stopwatch, and Countdown Timer, Auto Calendar, Water-Resistant to 200 M (660 Feet) : Clothing, Shoes & Jewelry
Amazon.com: CASIO G-Shock G-Shock 2100 Series Wristwatch, Men's, Waterproof, Quartz, Analog, Digital, 2 Hands, White, Black GA-2100-7A, Modern : Clothing, Shoes & Jewelry
Amazon.com: Casio Mens G-Shock Digital Watch, with Quartz Digital Movement, and Multi-Function Alarm, Stopwatch, and Countdown Timer, Auto Calendar, Water-Resistant to 200 M (660 Feet) : Clothing, Shoes & Jewelry