Battery replaced in July 2025. It is in working condition. "Data Bank" - A rare model with characters on the keypad. When you press the buttons, the operation sound is also normal. There is a slight crack in the operation panel due to aging, but it works without any problems. CASIO DATA BANK digital wristwatch, with calculator, telememo, alarm, timer, and light functions. - Brand: CASIO - Model Name: DATA BANK - Functions: Telememo & Schedule Alarm & Curriculum & Timer - Band Material: Stainless Steel - Display Type: Digital - Color: Silver/Black - Belt: Genuine belt - Belt Length: Free Please check the photos. I have checked the product, but I am not an expert, so I do not know the details. Please understand that this is a used item and we cannot accept returns or exchanges. The stand is not included. (Other) We will ship the product as quickly as possible, but it may take some time from the purchase. We may also take some time to respond to comments. If there is a problem during the pre-shipment check, we may cancel the purchase even after the purchase, so please understand. Thank you for viewing.