CASIO Baby-G G-MIX BGM-221 (Module 2489). The battery has been replaced with a new one, and it is currently working correctly. Simple operation check performed, including time display, button operation, and light illumination. The belt has been replaced with a new nylon belt. The main body has some scratches and minor wear from use, but there is no noticeable damage, and it is in generally good condition. Please check the photos for details. Only those who understand that this is a used item, please. Shipping will be done with waterproof measures and carefully packaged. *If there are any problems such as it not working upon arrival, please contact us before leaving feedback.