Educational clock for fun learning of how to tell time Perfect for children learning to read analog clocks. The functions and performance as a clock are, as expected, from Seiko. Product number: KX617W Frame material: Plastic frame, white paint Front: Glass Size/Weight: Diameter 254x43mm, 470g Battery: Single AA (manganese) x 1, battery life approximately 1 year Functions: Sweep second hand I purchased this for my child's room at Yodobashi Camera Shinjuku, but it didn't match the room's design, so I haven't used it. Operation has been confirmed. No box.