Many Seth Thomas clocks from 1881 to 1918 have a date code stamped in ink on the case back or bottom. Usually, the year is done in reverse, followed by a letter A–L representing the month. For example, April 1897 would appear as 7981 D.

Are old Seth Thomas clocks valuable?

Not surprisingly, the earliest clocks, especially those actually made by Seth Thomas, are worth the most money. If you can get a sense of the date your clock was made, either from the label, style, or date stamp, you have an important factor in assigning value.

What years did Seth Thomas make clocks?

The company manufactured clock movements for the Self Winding Clock Company from 1886 thru the early 1890s, in addition to its standard offering of longcase clocks, mantel, wall, and table-top clocks.

When was the last Seth Thomas clock made?

On February 15, 1876 Randall T. Andrews, Jr., a Thomas relative and workman in the factory, received a patent on an improved mechanism. This was put into production and utilized on all later perpetual calendar clocks until the last model was dropped in 1917.

Is Seth Thomas a good brand?

The name Seth Thomas is symbolic of value and excellence of craft, and the variety of sophisticated styles it has produced since 1813. As the longest established clock maker in the United States (nearly 200 years), Seth Thomas is recognized as one of the most respected brands of clocks in the world.

What year did Seth Thomas stop making clocks?

On February 15, 1876 Randall T. Andrews, Jr., a Thomas relative and workman in the factory, received a patent on an improved mechanism. This was put into production and utilized on all later perpetual calendar clocks until the last model was dropped in 1917.