Seiko 5 Automatic SNKM83K1, Men's Automatic Watch 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: SNKM83K1Case material: stainless steelCase colour: steel greyCase diameter: 43 mmStrap material: stainless steelStrap colour: steel greyStrap width: 22 mmDial colour: silverGlass: Hardlex mineral glassWater resistance: 50 mMechanism: automatic (caliber 7S26) All Seiko watches come with a two-year warranty and are supplied in their original Seiko case. See all Seiko watches here