See if this works. Pearl Farming 'Origins'.

[Ant7t]

Cultured Pearls / Casting Systems - Japan's Top Inventions | NHK WORLD-JAPAN

The stories behind hit Japanese products, plus top creations for niche markets. This time: cultured pearls & casting systems.

www3.nhk.or.jp

If you can see it. Watching it now. The first part is regarding Akoya.