Antique Seth Thomas “Colossal” Model Clock

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About the Seth Thomas “Colossal” Clock

Title: The Seth Thomas “Colossal” Clock Model: A Grand Statement in American Horology

The Seth Thomas “Colossal” clock, a testament to the company’s ingenuity and craftsmanship, is a remarkable example of an American tall case clock. Produced primarily during the late 19th century (approximately 1874-1893), this impressive timepiece holds a significant place in antique clock collecting due to its grandeur, intricate design, and limited production run.

The Colossal clock’s case is typically crafted from richly grained mahogany, adorned with elaborate carvings that reflect the Victorian era’s ornate aesthetic. The tall, slender design with a rectangular dial and brass-framed glass window showcases the precision mechanics within. The pendulum bob, often featuring intricate foliate patterns, swings gracefully beneath the dial, adding to the clock’s visual appeal.

What sets the Seth Thomas “Colossal” apart as a collectible piece is its imposing size—standing at around 9 feet tall—and the exceptional accuracy of its Westminster chime movement. Notable features include the use of high-quality materials such as brass for the weights and pendulum, contributing to both the clock’s durability and sonorous chimes. Additionally, the Colossal clock often bears the signature of Seth Thomas himself, further enhancing its value for collectors.

In the realm of antique American clocks, the Seth Thomas “Colossal” represents a grand statement in craftsmanship and style. Its limited production and impressive size make it an coveted piece among serious collectors, while its intricate design and exceptional movement ensure that it remains a striking addition to any clock collection.

Auction Records and Price History

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

Seth Thomas Clock Co., Thomaston, Conn., "Colossal" gold plated metal 8 day time and strike mantel clock,

Seth Thomas Clock Co., Thomaston, Conn., “Colossal” gold plated metal 8 day time and strike mantel clock,

the center portion of the case appears to have been gold-painted, the rest of the case is glossy lacquered brass. The silvered dial, with raised bronze numbers, shows some wear, minor scratches, and tarnish. The minute hand finish is worn and more copper colored than the hour hand. The 48L movement ticks and strikes but was not tested long term. The beveled convex glass is fine; the rear door cloth is new.

Sold: $275 | Date: May 15, 2016 | Source: R. O. Schmitt Fine Arts


C.1913, Seth Thomas Clock Co., "COLOSSAL", metal cased mantel clock, same design as the Celtic, only larger. Base is cast bronze and the cylinder, bezel and rear cover are brass, and the outer body is cast white metal, bronzed. Silvered dial with raised bronze numerals.

C.1913, Seth Thomas Clock Co., “COLOSSAL”, metal cased mantel clock, same design as the Celtic, only larger. Base is cast bronze and the cylinder, bezel and rear cover are brass, and the outer body is cast white metal, bronzed. Silvered dial with raised bronze numerals.

Condition: the body portion has been painted over with gold; the cylinder on top has a couple of small dings. The movement is dripping from over-oiling. Having said this, it does tick and strike and will clean up nicely. Ly price guide for 2005= $800. Ht 10.75″

Sold: $280 | Date: May 8, 2009 | Source: R. O. Schmitt Fine Arts