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 blue ceramic bezel, the blue 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 Caliber 3X22
Powered by light energy - no battery change required
Case Diameter: 39.0mm
Case Thickness: 11mm
Case Length: 46.2mm
Stainless steel case
Sapphire crystal with super-clear coating
Stainless steel bracelet
Water Resistance: 10 bar,100 meters (330 feet)