Steel Grey Seiko 5 Sports Automatic SRPE55K1 Watch with Black Dial This Seiko 5 Sports steel grey watch has a stylish black dial. Silver hands and indexes stand out against the black dial and are heavily luminous so it's easy to read the watch even in the dark. The watch is equipped with a high quality Seiko 4R35-automatic mechanism with a power reserve of up to 41 hours. Japanese Seiko watches are known for their very high technology. Over 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: SRPE55K1Case material: stainless steelCase colour: steel greyCase diameter: 40 mmWatch thickness: 12 mmStrap material: stainless steelStrap colour: steel greyStrap width: 20 mmStrap length: 160-220 mmDial colour: blackGlass: Hardlex mineral glassDate displayDay of the week displayWater resistance: 100 mMechanism: automatic (caliber 4R35)Power reserve: up to 41 hours All Seiko watches come with a 2-year warranty and are supplied in their original Seiko case. See all Seiko watches here