Seiko Prospex Alpinist Automatic Watch This Seiko Prospex Alpinist watch combines a grey steel case with a brown leather strap. The watch features a stylish green dial with a rotating compass in outer ring. The compass can be rotate by the knob at 4 o'clock. The automatic movement has a power reserve of up to 72 hours and a manual winding option. The dial is protected by a hard sapphire glass with a magnifying glass at the date. The watch has a screw-lockable knob and a water resistance of 200 meters. 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: SPB121J1Case material: stainless steelCase colour: steel greyCase diameter: 39,5 mmWatch thickness: 13 mmStrap material: leatherStrap colour: brownStrap width: 20 mmStrap length: 170-210 mmDial colour: greenGlass: sapphire glassDate display with magnifying glassCompassWater resistance: 200 mMovement: automatic (6R35-caliber)Power reserve: up to 72 hours All Seiko watches come with a two-year warranty and are supplied in their original Seiko case. See all Seiko watches here