This is a Casio MTP-M305D wristwatch. The MTP-M305 series is characterized by its moon phase function (a function that displays the phases of the moon) at the 6 o'clock position. There are multiple models depending on the color of the dial and the material of the band; the image shows a model with a silver metal band and a white dial. The price on the online store varies depending on the model, but it is sold from approximately 17,600 yen (including tax). There are some minor scratches on the clasp, but it is clean. Please understand that this is USED. It is currently working without any problems. No returns accepted.