Powered by the in-house built 4R36 automatic movement, this watch is accurate to +45 / -35 seconds per day, with a 40-hour power reserve. This modern black dial model inherits the layout of the original piece, taking the same richly textured indices and hands, but with updated finishing on the knurling of the bezel and a glossy glass bezel insert for increased sparkle. Other Details Case/Band This watch pays homage to the SKX399 – a popular model from the original Seiko 5 Sports SKX series, first introduced in the 1990s. CONTACT OUR SALES TEAM (905) 458-5588 FOR INFORMATION REGARDING OUR PRICE MATCH GUARANTEE Seiko 5 Sports is known for over fifty years of reliability, durability, performance and value. ‘’5’’ represents the original five key features of every Seiko 5 still present today: Automatic movement, Day-date display, Water Resistance, Recessed crown and Durable case and bracelet.