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How do you tell the date on a Seth Thomas clock?

1 Answer
How do you tell the date on a Seth Thomas clock?
To tell the date on a Seth Thomas clock, look for a code on the bottom or case back. Most pieces will show the year of production first, with the numbers reversed. Then, you'll usually see a letter. These letters correspond to months, with A representing January, B representing February and L corresponding to December. For example, a date code that reads 31F's manufacturing date would be June 1913. If you need help with the dating process, a certified appraiser or knowledgeable antique dealer can assist you. Find a collection of Seth Thomas clocks on 1stDibs.
1stDibs ExpertAugust 20, 2024
Chrome Art Deco "Chrono Lite-12" Commercial Neon Wall Clock by Seth Thomas, Cir
By Seth Thomas Clock Company
Located in Van Nuys, CA
Seth Thomas Art Deco 16” Diameter "Chrono Lite-16" wall clock featuring a black dial with Original Green Gas Tube Neon under bubble style glass and a stainless steel streamline case....
Category

Vintage 1940s American Wall Clocks

Materials

Chrome

Vintage Smoked Lucite Vision Pendulum Wall Clock by Seth Thomas
By Seth Thomas Clock Company
Located in Brooklyn, NY
A mid-century modern smoked lucite wall clock by Seth Thomas, likely from the 1970s. The clock has a brass face and pendulum, black and red hands, and black numbers. In good vintag...
Category

Mid-20th Century Mid-Century Modern Wall Clocks

Materials

Metal

Early Mid-century "Plaza" E931-003 Wall Clock in Walnut by Seth Thomas
By Seth Thomas Clock Company
Located in Van Nuys, CA
Early Mid-Century model "Plaza" E931-003 Wall Clock by Seth Thomas featuring a walnut frame with a distinctive dome shape and brass accents, echoing the minimalist style of the 1950s...
Category

Vintage 1940s American Wall Clocks

Materials

Walnut

Vintage Brown Wooden Wall Clock from Seth Thomas, 1980s
By Seth Thomas Clock Company
Located in Kojetice, CZ
Wall clock produced by Seth Thomas Clock Company in USA during the 1980s. It features a brown wooden veneered clockface and aluminium hands. The piece has been converted into a batte...
Category

Vintage 1980s American Industrial Wall Clocks

Materials

Aluminum

Antique Seth Thomas Oval Mantel Clock with Crystal Case
By Seth Thomas Clock Company
Located in Big Flats, NY
An antique oval mantel clock by Seth Thomas with crystal case.. Measures - 9.5"h x 7.25"w x 5.75"d. This antique mantel clock by Seth Thomas features an oval crystal case that sho...
Category

Early 20th Century American Mantel Clocks

Materials

Crystal

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