From the Astron Collection. With the strong, sleek lines of the Seiko Astron, the world's first commercially available quartz watch, today's Astron represents another leap forward, designed for high-intensity sport while providing the highest degree of accuracy possible in a wristwatch Ð effortlessly. GPS controlled for high-speed time and time zone adjustment, this exceptional watch features a solar cell powered by light energy, with no battery change required. Framed by a black ceramic bezel, the black dial includes a date calendar and LumiBrite hands and markers. Featuring a sapphire crystal with super-clear coating, this streamlined design is crafted of stainless steel with secure screwdown caseback and tri-fold push button release clasp. 10 bar, 100M Water Resistant
