Quartz Wristwatches

July 19, 2018
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Japan's Top Inventions - S1 - E5

Quartz Wristwatches

The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, quartz wristwatches, which caused a "timepiece revolution" with their accurate timing. Built in Japan in 1969, the world's first quartz wristwatch drifted only 0.2 seconds a day, making it about 100 times more accurate than previous watches. Even now, 96% of watches around the world use the same system. We trace the drama behind the creation of this super-accurate timepiece.

Japan's Top Inventions: Season 1 - 10 Episode s