Hermle, in the Black forest of Germany, has made many movements for Seth Thomas clocks. In 1968, General Time was bought by Talley Industries, and in 1979 the headquarters was moved to Norcross, GA. In June 2001 General Time announced that it was closing its entire operation.

How do you date a Seth Thomas alarm clock?

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.