Steel Grey Seiko 5 Sports Automatic SRPD55K1 Watch with Black Dial This steel grey watch from the Seiko 5 Sports collection features a stylish black dial. The hands and indexes stand out against the black dial in silver and are heavily luminous which allows the watch to be read even in the dark. The dial is surrounded by a black rotating bezel. The watch has a 24-stone 4R36-automatic mechanism with a power reserve of up to 41 hours. Japanese Seiko watches are known for their very high technology. More than 100 years old, Seiko has pioneered the watch making industry with a number of innovations, including the first quartz watch and kinetic technology. Seiko watches combine elegance with unparalleled product development. Product number: SRPD55K1Case material: stainless steelCase colour: steel greyCase diameter: 42,5 mmWatch thickness: 13 mmStrap material: stainless steelStrap colour: steel greyStrap width: 22 mmStrap length: 160-210 mmDial colour: blackGlass: Hardlex mineral glassDate displayDay of the wee displayWater resistance: 100 mMechanism: automatic (caliber 4R36, 24-stone)Power reserve: up to 41 hours All Seiko watches come with a two-year warranty and are supplied in their original Seiko case. See all Seiko watches here