Thank you for visiting. All items are 100% authentic. Immediate purchase welcome. Please check our high-demand brand lineup! We are members of the Japan Anti-Counterfeiting Association (AACD) and purchase items from pawn shops and antique markets. In the unlikely event that an item is found to be counterfeit, we offer a full refund, so please purchase with confidence. 【Product Specifications】 Brand: G-SHOCK G-Shock CASIO Model Number: G8100-1JF Body Color: Black Dial Color: Black Belt Color: Black Movement: Quartz Case Size: 40mm Wrist Size: Up to 22cm Lug Width: 21-25mm Material: SS, Resin Band Water Resistance: 200m Accessories: None Weight: 60g Additional Information: New battery installed (replaced September 25, 2025) 【Product Overview】 Watch, Digital Watch, watch, Inverted LCD, y2k, 00s Limited Edition, Rare, Hard to Find, Discontinued, Working New battery installed (September 25, 2025) 【Product Condition Rank】 C～B Rank S: New, Like new. A: Almost new, used a few times. B: Some dirt and minor scratches, but relatively beautiful. C: Scratches and dirt, in a general used condition. D: Heavy scratches and dirt, but usable. E: Junk item, unusable. Please refer to the product photos for detailed condition. ※ (Cleaning + Washing) Maintenance completed. You can use it immediately! ※ We only check the timekeeping function, so we cannot guarantee accuracy. Please have it overhauled by the buyer if necessary. 【Other】 We do not have any smokers or pets. After confirming payment, we will ship within 1-2 days with simple packaging. We have many other products for sale, so please take a look! ↓ #STORE_iroha We also accept price negotiations and questions, so please feel free to contact us!