Simple and highly visible SEIKO wall clock, approximately 30cm in diameter, operates on one AA battery. Thank you for viewing. Brand Name: SEIKO Product Name: Model Number: KX252L 【Product Specifications】 ●Size (Height x Width x Thickness): Approximately 275 x 275 x 47mm ●Weight: Approximately 570g ●Materials: Frame: Plastic frame Front: Glass Radio wave correction function (40kHz/60kHz automatic selection, reception OFF function) Step second Silent second hand (automatic second hand stop function by light sensor) Release Date: December 14, 2018 A compact standard model. A simple design that fits any room. ◆Silent second hand When the light sensor detects a certain level of darkness or lower, the second hand automatically stops at the 12 o'clock position. This has benefits such as improved reception sensitivity because there is no noise during radio wave reception, and longer battery life. Thank you very much for reading to the end. We hope you will purchase after confirming the above. If you have any questions, please feel free to contact us via message.