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93 ភាគ
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.
- ឆ្នាំ: 2025
- ប្រទេស: Japan
- ប្រភេទ: Documentary
- ស្ទូឌីយោ: NHK WORLD-JAPAN
- ពាក្យគន្លឹះ: invention, craftsmanship
- នាយក:
- ខាស: