Pocket Watch Database

Seth Thomas Watch Co.

Location: Thomaston, Connecticut

Years of Operation: 1885-1915

Production Jewels: 7-28 Jewels

Production Sizes: 18s, 16s, 12s, 6s, 0s

Total Production: ~3,000,000

Factory Building Status: Original Seth Thomas clock tower still stands.

Average Quality:

Average Rarity:

Special Research Assistance: Jonathan Luysterborghs

Serial Number Lookup

Company Timeline


The Seth Thomas Clock Co. is founded.


After running a successful clock company for several decades, Seth Thomas enters the watch market.


The Seth Thomas Watch Co. is producing roughly 100 movements per day and employs 200 people.


After an moderately successful operation for 30 years, Seth Thomas decides to cease production of watches.