Analog travel clock made by SEIKO. Features a manually rotating world time display. I tried putting in a battery, but it didn't work m(_ _)m ☆ Please understand that this is a junk item. Dial diameter: Approximately 4cm Body diameter: Approximately 7cm Color: Black Material: Plastic ※ Battery (LR44) not included. Will be packaged with waterproof protection and shipped via post.