8 ฤดูกาล
100 ตอน
Japan's Top Inventions - Season 1 Episode 5
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.
- ปี: 2025
- ประเทศ: Japan
- ประเภท: Documentary
- สตูดิโอ: NHK WORLD-JAPAN
- คำสำคัญ: invention, craftsmanship
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