This is a "[Excellent Condition] CASIO G-Shock GM-B2100SD-1AJF." Purchased in October 2025, it was used once or twice a week and stored in a dark place after December 2025. I am selling it to organize my collection. It has been used only a few times and is in excellent condition. There are some minor scratches and marks from use. - Time correction is possible via radio wave and Bluetooth. - It is Tough Solar (solar charging system). - Accessories are as shown in the photos. (Full links are included.) - There are no operational issues. - It will be carefully packaged and shipped, but please understand that we are not responsible for damage or loss after shipping. - This product is a used item, so there may be some minor scratches and signs of use. Please refrain from purchasing if you are sensitive to these details. We do not accept any claims after purchase. - Immediate purchase is OK, no price reduction. Please feel free to ask any questions you may have. CASIO Casio G-SHOCK G-Shock Casioak FULL METAL Full Metal Silver Black Black Quartz Solar Digital Wristwatch