Overview: Japanese watches and clocks are respected around the world for their accuracy and durability. Many of them incorporate the latest technology. Our guest, Oda Ichiro, spent 26 years at a watchmaking company, and is now a university lecturer. He tells us the story of Japanese clockmaking, and introduces us to some clever and innovative timepieces. We also look at the incredible leaps in accuracy being made by cutting edge atomic clocks, and learn about the potential benefits of this technology.