The models have a new case with different dimensions to the previous King Seiko models, now measuring 39mm in diameter (vs 37mm), 11.9mm thick (vs 12.1mm), and 46.1mm lug to lug (vs 43.6mm). View fullsize SPB369 (SDKS015 JDM) View fullsize SPB371 (SDKS019 JDM) View fullsize...