This lovely Seth Thomas mantel clock is 11" tall, by 15 1/2" wide, by 6 3/8 deep. The pendulum arm and pendulum weight were on the clock inner floor bottom when I opened the back for photos to list it. I have not attempted to reinstall, and photos are included of the arm and weight.The back cover has operating instructions, and other information on this and Seth Thomas clocks in general. It is stated in the information that this clock is; ADAMANTINE Patent date Sept. 119 11 Jewels, 6 Size, Seth Thomas Clock Co. The item "Antique Seth Thomas Adamantine Black Mantel Mantle clock Movement 119,11 Jewels" is in sale since Friday, January 26, 2018. This item is in the category "Collectibles\Clocks\Antique (Pre-1930)\Shelf, Mantel". The seller is "hidtreasure" and is located in Leesburg, Florida. This item can be shipped worldwide.