About the Seth Thomas “Chateau” Clock
The Seth Thomas “Chateau” clock, manufactured around 1820 by the renowned Seth Thomas Clock Company, is a striking example of early American horology. This 15-day time and strike mantel clock boasts an impressive height of 8.25 inches (approximately 20.9 cm).
The clock’s mahogany case has undergone refinishing, resulting in a walnut brown finish that remains in very good condition. The original porcelain dial exhibits excellent quality, with the exception of a small chip at the time side winding arbor. The hands are authentic to the piece and the movement, marked “15-Day” and bearing the signature “Seth Thomas Co., 51-B,” has been meticulously serviced and is currently in running order.
This Seth Thomas “Chateau” clock offers a unique blend of historical significance and functional elegance, making it an attractive addition to any collection focused on early American clocks.
Auction Records and Price History
The following 1 auction record(s) show actual sale prices for the Seth Thomas “Chateau” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

C.1820, Seth Thomas Clock Co., “Chateau” , 15-day time/strike mantel clock.
Condition: Refinished mahogany case with a walnut brown finish is in very good condition. Original porcelain dial has a small chip at the time side winding arbor, other wise excellent. Hands are original, and the movement has been serviced and is in running order. Signed 51-B movement is marked “15-Day” Ht 8.25″ [20.9 cm]
Sold: $270 | Date: October, 22 2006 | Source: R. O. Schmitt Fine Arts