We talk about Credor's debut at Watches and Wonders and innovation at Grand Seiko. Plus, Mark Kauzlarich stops by to talk about the latest auction results. This week on The Business of Watches, we sit down with Akio Naito, the President of Seiko Watch Corporation. Seiko's Credor brand, the ultra-premium offering showcasing artisanal creations, unique craftsmanship, and design, made its Watches and Wonders debut this year. We discuss Credor's positioning within the Seiko Group and its expansion into international markets. Photo credit: Mark Kauzlarich The biggest challenge for Credor, Naito says, will be increasing production for more markets, as the skills required to produce the timepieces are highly specialized and take years to master. We also get an update on Grand Seiko. Naito says the brand has increased its international sales by more than 15x over the past decade, driven largely by success in the U.S.…