Black Seiko Prospex Solar Speedtimer SSC917P1 Watch with Black Dial Seiko Prospex Solar Speedtimer watch is a stylish dark ensemble. The all-black watch is distinguished only by the white markings on the bezel and dial and the LumiBrite-coating on the indexes and hands. The Seiko Prospex Speedtimer has a 39 mm wide black steel case and a black three-row steel strap. The dark dial features black chronograph displays and a date between 4 and 5 o'clock. The dial is protected by a curved sapphire glass. In addition to the chronograph functions, the watch has a tachymeter scale for measuring average speeds. Equipped with the Seiko solar mechanism this watch is powered by light and therefore does not require batteries. On a full charge, the watch has a power reserve up to six months. The watch is water-resistant to 100 meters, making it suitable to swimming and snorkeling, but not scuba diving. 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: SSC917P1Case material: stainless steelCase colour: blackCase diameter: 39 mmWatch thickness: 13.3 mmBezel material: stainless steelBezel colour: blackStrap material: stainless steelStrap color: blackDial colour: blackGlass: curved sapphire glassDate displayChronograph featuresTachymeterWater resistance: 100 mMovement: solarPower reserve: up to 6 months on a full charge All Seiko watches come with a two-year warranty and are supplied in their original Seiko case. See all Seiko watches here