Caliber Specifications: 8X82, GPS Solar Chronograph GPS controlled time and time zone adjustment Chronograph up to 6 hours in 1/5 second increments Perpetual calendar correct to the year 2100, Signal reception result indication World time function (40 Time Zones), Daylight Saving Time function, Power save function Accuracy: +/-15 seconds per month (without receiving a time signal and at temperatures between 5䋀 and 35䋀)
Case Diameter: Diameter 44.6mm, Thickness 13.3mm Stainless steel with black hard coating with ceramic bezel
Water resistance: 10 Bar, Magnetic resistance 4,800 A/m
Band: Extra-strength silicon with three-fold clasp with push button release
Seiko Astron GPS Solar Chronograph SSE017 keeping time from space
Think about it. Satellites spinning in space, loaded with technology, sending the exact time of day to your wristwatch with you making an adjustment when entering another time zone by pushing a button!