Antique Seth Thomas Adamantine Mantel Clock Case - Project/Parts. Measures: Tall 11.5", wide 17.5", deep 6.5. Please see photos for details. If you have any questions, please ask. Please check out my other items for sale! The item "Antique Seth Thomas Adamantine Mantel Clock Case" is in sale since Wednesday, October 14, 2020. This item is in the category "Collectibles\Clocks\Parts & Tools\Parts". The seller is "7podolany" and is located in Illinois. This item can be shipped to United States, Canada, Mexico, Bermuda.