Seiko Presage Watch Arita Porcelain Dial SPB093J1. Arita Porcelain was first produced in the early 17th century in Arita, Saga Prefecture in northern Kyushu. Its 400 year history includes centuries of export to Europe and a broad range of technical innovations by artisans. Today, an innovative process has created the Arita Porcelain dial that is the centerpiece of the new Presage collection. Hiroyuki Hashiguchi, an Arita Porcelain craftsman, and his team Shingama, collaborated with Seiko to produce dials from a new type of high strength Arita Porcelain that is four times harder than normal porcelain. The dials are made by a multi stage process that includes firing three times at different temperatures and utilizing thicker layers of porcelain to create a deep natural curve that produces a three dimensional shape.