Seiko Classic SUR309P1 Watch This grey steel Seiko watch has a classic blue dial. Simple, silver-coloured indexes and hands are luminous, so you can read the watch even in the dark. Case width is 40 mm. The watch has a quartz mechanism and a water resistance class of 100 meters, making it swim-proof. 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: SUR309P1Case material: stainless steelCase colour: steel greyCase diameter: 40 mmWatch thickness: 9 mmStrap material: stainless steelStrap colour: steel greyStrap width: 20 mmStrap length: 160-205 mmDial colour: blueGlass: sapphire glassDate displayWater resistance: 100 mMechanism: (quartz) All Seiko watches come with a two-year warranty and are supplied in their original Seiko case. See all Seiko watches here