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.
First Air Date : 2018-03-18
Last Air date : 2025-03-29
Runtime : 57 minutes
Genre : Documentary
Cast :
Crew :
Quality : 
Subtitles :
- Season 1 : Episode 12018-03-18
- Season 1 : Episode 22018-04-19
- Season 1 : Episode 32018-05-17
- Season 1 : Episode 42018-06-21
- Season 1 : Episode 52018-07-19
- Season 1 : Episode 62018-08-16
- Season 1 : Episode 72018-09-20
- Season 1 : Episode 82018-10-18
- Season 1 : Episode 92018-11-22
- Season 1 : Episode 102018-12-20
