Seiko 5 Sports Automatic Watch Seiko 5 Sports series complements popular Seiko 5 collection. This stylish Seiko 5 Sports watch features a chunky 42.5 mm wide bezel with a blue dial and blue rotating bezel. The indexes and hands are LumiBrite-coated, making the watch easy to read in the dark. The watch is powered by 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: SRPD51K1Case 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: blueBezel colour: blueGlass: Hardlex mineral glassDate displayWater resistance: 100 mMechanism: automatic (caliber 4R36, 24-stone)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