Seiko has introduced a new timepiece, the Seiko Presage Classic Series Craftsmanship Unglazed Arita Porcelain Dial Limited Edition SPB497. Available in a 40.6 mm case size, the SPB497 Limited Edition features Seiko's newest Caliber 6R51 with 72 hours of power reserve, an unglazed Arita porcelain dial, dual-curved sapphire crystal, and 100 m (10 bar) water resistance.