Thank you for viewing. This is a working G-SHOCK watch from CASIO. Model number: DW-5600SB Only the watch shown in the photos is for sale. The battery replacement time is unknown. There are scratches on the crystal (see photo 13). There are scratches, dirt, and signs of use on the case, back cover, and belt. Regarding the waterproof function, we cannot guarantee it due to the deterioration of the internal packing. We apologize if it's difficult to understand, but please judge the condition based on the photos provided and only purchase if you are satisfied. We will ship the item wrapped in air cushioning material and paper packing. 〇〇〇Important Notes〇〇〇 This is a used item. Please refrain from purchasing if you are looking for a perfect product or if you are sensitive to imperfections. Regarding the photos of the product you are viewing, we try our best to make the colors as close to the actual product as possible, but the color may appear different from the actual product depending on your environment (monitor, browser, etc.). Please understand this in advance. If you have any questions, please feel free to ask in the comments. Thank you for your consideration. Please take a look at my other listings here. #UshinoYa #UshinoYaWatches #Men'sWatches #GSHOCK #GShock #GShock #Casio #CASIO #Working