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Jan 1, 1500
Manufacturers and engineers create a clock small enough to be worn on a neck pendant.
Manufacturers and engineers create a clock small enough to be worn on a pendant, but the watches only had an hour hand, they had bad accuracy, and the hour hand was only protected by a hinged brass cover. -
Innovators improved the portable clock.
Innovators made portable clocks smaller and lighter, with smaller gears, a glass covering, and screws held the watch together. these pocket watches eventually became expensive luxury items for men, and pendant watches became luxury items for women. -
Pocket Watches became cheaper.
Popular lever escapement allowed clock makers to make watches that were very precise. The pocket watches were also cheaper, so more people were able to purchase pocket watches. -
Standardized train time in the U.S.
People tried to standardize train time in the U.S, and this resulted in a large expansion of precise clocks throughout the world. -
Watches become the most popular type of portable clock.
During World War 1, wrist watches began to be more popular than pocket watches, because they were very portable, and they were easy to use. Wrist watches were small , with automatic winding. -
Wrist watches become less popular.
Over decades, the watch continued to improve, and the electronic watch was invented, but in the late 1990's, the era of mobile phones started, and watches weren't really needed anymore, because phones could tell time. -
The apple watch was invented.
The apple watch was invented. It tells time, but it can also preform functions that a phone can preform.
