A black, key-operated clock made by Elliot, with 12 keys. It seems this was used for security patrols during the day and night around 1976 (Showa 51). The keys include keys marked 3, 4, and 5 from Hattori Tokei (Seiko), and the others are Elliot keys. It is in working order and keeps time accurately. It comes with the box, instruction manual, and a data sheet. - Model Name: Elliot - Color: Black - Number of Keys: 12 - Country of Manufacture: Japan Thank you for viewing. Included items: Box, booklet