Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
How do you tell the date on a Seth Thomas clock?
1 Answer
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
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Shop for Seth Thomas Clock Company Clocks on 1stDibs
Antique 19th Century Early American Seth Thomas Tall Case Grandfather Clock
By Seth Thomas Clock Company
Located in Dayton, OH
A beautiful Seth Thomas long case clock, circa first half 19th century. Features an American poplar case in Early American styling with an open pediment, c...
Category
Antique Early 19th Century American Colonial Grandfather Clocks and Long...
Materials
Poplar
$1,440 Sale Price
20% Off
Antique Seth Thomas Adamantine Victorian Faux Marble Shelf Mantel Clock
By Seth Thomas Clock Company
Located in Philadelphia, PA
Antique Seth Thomas Adamantine Victorian Faux Marble Shelf Mantel Clock. Circa Late 19th Century. Measurements: 11" H x 16" W x 7" D.
Category
Antique Late 19th Century Unknown Victorian Mantel Clocks
Materials
Wood
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
Antique Seth Thomas English Gothic Style Mahogany Bracket Clock C1910
By Seth Thomas Clock Company
Located in Big Flats, NY
Antique Seth Thomas English Gothic Style Mahogany Bracket Clock C1910
Measures- 15"H x 10.5"W x 7.5"D
Category
Early 20th Century Gothic Wall Clocks
Materials
Mahogany
$360 Sale Price
20% Off
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
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
