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.
During its early years, Seth Thomas quickly gained an impeccable reputation for producing the masterfully crafted grandfather clocks.
What pocket watch manufacturers needed was to sell more watches - and to do that they needed to produce them in a much more efficient and cost effective manner, make them accessible to the masses, and therefore make them much cheaper.
Keystone continued to produce a relatively small number or watches, about 48,000 in total, until their sale to the Hamilton Watch Company in 1891.
Some Keystone Standard watches featured their patented "Dust Proof" design, which used a small acrylic "window" to cover the only opening in the plate of the movement, thus sealing the movement completely from dust.
Ingersoll coined the phrase "The Watch that made the Dollar Famous! Other companies that also sold pocket watches costing only one dollar were Westclox, New Haven, Ingraham, and Ansonia.
These watches were not the same as more expensive makes of the era.