GPS controlled time and time zone adjustment (40 Time Zones) Magnetic resistance 4,800A/m Perpetual date calendar corrects to the year 2100 Signal reception result indication Daylight savings time function Sapphire glass with Seiko’s proprietary super clear, anti-reflective coating Tri-fold push button clasp LumiBrite hands and markers Screwdown caseback 45.0mm diameter Water-resistant to 10 bar, 100 meters (330 feet) Caliber 8X22 Black ceramic bezel Titanium case and bracelet with super-hard coating
Seiko Astron GPS Solar World Time Titanium SSE109
