SETH THOMAS 8 DAY MANTEL CLOCK ADAMANTINE FINISH. This antique mantle clock from Seth Thomas is a true 20th-century timepiece. Crafted from mahogany wood and measuring 10 inches in height, 17 inches in length, this clock has a beautiful Adamantine brown finish and a charming art deco shape. It features an analog display type, an 8-day feature, and a chime sequence with a cathedral gong that strikes every hour and each half hour. Movement has just been serviced, oiled, ran on test stand for 24 hours and set in beat. This clock case is in very nice condition with its art deco design and adamantine finished case. With its Craftsman style and unique features, this clock is perfect for any collector or enthusiast. The chime is working, and the clock runs as it should. Physical condition is quite good considering age. Please see all photos. Reasonable Offers always considered.