Amazon.com: Casio Men's GWX-5600-1JF G-Shock G-Lide Tough Solar Radio Controlled Watch [Japan Import] : Clothing, Shoes & Jewelry
Amazon.com: Casio GMW-B5000 Series G-Shock Wristwatch, Bluetooth-Equipped Solar Radio Control, Multi-Finished Black (Stainless Steel) : Clothing, Shoes & Jewelry