Seiko Presage x Automatic ft. Craftmanship Series aka Unglazed Arita Porcelain Dial (Limited Edition of 1,200 Pieces) Men Formal Round 100m Water Resistant Watch SPB497J1 SPB497 SPB-497 SPB-497J1 Own a piece of Japanese heritage with the limited-edition Seiko Presage Arita Porcelain Dial (1,200 pieces worldwide). Featuring a handcrafted Arita porcelain dial with diamond-cut ridges, paired with an eco-certified black leather strap. Powered by Seiko 6R51 automatic movement (72-hour power reserve) and presented in a paulownia wood gift box - a perfect fusion of traditional craftsmanship and modern horology. Caliber Number / Movement 6R51 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 72 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (dual-curved, anti-reflective coating) Luminous Nil Case / Band Material Stainless steel (super hard coating) case, Arita Porcelain dial with leather (calfskin) band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 12.5 mm Diameter: 40.6 mm Length: 49.1 mm Lug width: 20.0 mm Other Specifications Seiko Presage x Automatic ft. Craftmanship Series aka Unglazed Arita Porcelain Dial (Limited Edition of 1,200 Pieces) Made in Japan LIMITED EDITION on the case back Serial number engraved on the case back Magnetic resistance (4,800 A/m) See-through case back Screw case back 24 jewels Stop second hand function (hacking mechanism) Regular timekeeping (analog display)