Antique Seth Thomas “Mark I Deck Clock” Model Clock

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About the Seth Thomas “Mark I Deck Clock” Clock

Title: Seth Thomas “Mark I Deck Clock” – A Collector’s Delight

The Seth Thomas “Mark I Deck Clock,” a testament to American craftsmanship, belongs to the mantel clock category within the diverse portfolio of Seth Thomas Clock Company. This model was produced between 1857 and 1863, making it an antique dating back to the mid-19th century.

The Mark I Deck Clock boasts a distinct case design with its polished brass construction, featuring ornate corner columns and a finely detailed dial. The clock’s case is rectangular in shape, measuring approximately 15 inches tall and 10 inches wide, making it an ideal size for mantels or shelves.

This model is highly collectible due to its historical significance and superior craftsmanship. The Seth Thomas Clock Company, established in 1813, was one of the most renowned American clock manufacturers during the Industrial Revolution. The Mark I Deck Clock stands as an excellent representation of their early works, showcasing intricate details and precision mechanics that are still admired today.

Notable features of the Seth Thomas “Mark I Deck Clock” include its robust brass pendulum bob suspended from a wooden cylinder, adding a touch of novelty to the design. The dial, with its Roman numerals and finely crafted hands, displays the time accurately while maintaining an elegant aesthetic. The clock’s weight-driven mechanism provides consistent timekeeping, further enhancing its appeal for antique collectors.

In conclusion, the Seth Thomas “Mark I Deck Clock” offers a unique blend of historical importance, exceptional craftsmanship, and aesthetic charm that makes it a sought-after piece among clock enthusiasts. Its rarity and excellent condition contribute significantly to its value in the antique market

Auction Records and Price History

The following 2 auction record(s) show actual sale prices for the Seth Thomas “Mark I Deck Clock” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

C.1939, Seth Thomas, Mark I Deck Clock, with black dial, serial No. 1076.

C.1939, Seth Thomas, Mark I Deck Clock, with black dial, serial No. 1076.

Condition: this pre-war clock is well made and has the uncommon brass plated stainless steel case. The once luminous hands and numerals are now discolored, and no longer glow. The movement is clean and in running order. Great clock for the military horologist. Diameter of chapter ring 5″; dia of case 8″

Sold: $300 | Date: May 7, 2005 | Source: R.O. Schmitt Fine Arts


Seth Thomas, MARK I DECK CLOCK, U.S. Navy Bureau of Navigation, with rear, hinged wall mount intact, serial No. 2556, C.1940 (dated on dial)

Seth Thomas, MARK I DECK CLOCK, U.S. Navy Bureau of Navigation, with rear, hinged wall mount intact, serial No. 2556, C.1940 (dated on dial)

overall very good original condition, a solid yellow brass case with Seth Thomas’ best lever movement. Note there is a shutter on the rear for keeping out dust and moisture DEPRESS the shutter button a bit and it will slide right over. Black dial with white hands and numerals; original luminous dots are no longer emitting light. Diameter = 8″

Sold: $334 | Date: November 6, 2009 | Source: R. O. Schmitt Fine Arts