About the Seth Thomas “OG” Clock
Title: Seth Thomas “OG” Clock Model: A Collector’s Delight
The Seth Thomas “OG” clock, also known as the No. 1 or No. 1-A, is a mantel clock of unparalleled charm and historical significance within the antique clock community. This iconic timepiece was produced between 1854 and 1860, marking it as an essential addition to any collection from the mid-19th century.
The “OG” clock boasts a distinctive case design that sets it apart from other mantel clocks of its era. The case is typically made from mahogany or walnut, with rich, intricate wood grain patterns and beveled glass panels. The dial, featuring Roman numerals, is housed within an arched brass frame, adding a touch of elegance to the overall design.
What makes the Seth Thomas “OG” clock particularly collectible is its rarity and exceptional craftsmanship. Despite being one of the earliest models produced by the esteemed Seth Thomas Clock Company, fewer than 2,000 examples are known to have survived, making it a coveted piece for serious collectors.
Notable features of the “OG” clock include its ornate brass pendulum bob and finial, as well as the hand-painted dial with bold, contrasting Arabic numerals. The clock’s 8-day movement provides consistent accuracy and a pleasing rhythmic tick that echoes through any room it graces. With its exquisite design and historical importance, the Seth Thomas “OG” clock is undoubtedly a valuable addition to any antique clock collection.
Auction Records and Price History
The following 1 auction record(s) show actual sale prices for the Seth Thomas “OG” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

Antique Seth Thomas OG Clock
Jan 2022 – #85 Antique American Clocks Seth Thomas OG, A 25-inch OG with spectacular flame mahogany veneer. that the flame mahogany veneer includes the door frame and outer case band; the sides are in standard mahogany veneer. exclude the possibility that the veneer is new, done by an expert craftsman, but it certainly looks good. The dial glass is old, the mirror modern. The contoured, painted metal dial has been extensively retouched, the hands are correct. The 30-hour, time-and-strike movement is unsigned, driven by two 30-hour weights. The strike cord is detached and so the strike could not be tested, but the time side runs without problem. The detached alarm was not tested. A good Thomaston label inside. Post comments and questions on the AAC facebook page!
Retail: $100 | Date: 01/01/2022 | Source: AntiqueAmericanClocks.com