Thank you for viewing. This is the popular CASIO G-SHOCK model "GA-2100SB-1AJF", also known as "CasiOak". It features a stylish design with a silver dial and a black case and band combination. Brand: CASIO G-SHOCK Model Number: GA-2100SB-1AJF Module No.: 5611 Water Resistance: 20 ATM water resistance Material: Carbon Core Guard structure, resin band Size: Approximately 48.5mm long x 45.4mm wide x 11.8mm thick Condition: There are minor scratches from use, but there is no major damage and the overall condition is good. Operation has been confirmed. Accessories: Watch only (no box or instruction manual) Please check the photos and description, and only purchase if you are satisfied with the condition, as this is a used item. *To prevent product switching, returns and refunds are not accepted.