GPS Solar Dual Time. GPS controlled time and time zone adjustment. Magnetic resistance 4,800A/m. Perpetual day and date calendar correct to the year 2100. Signal reception result indication. Dual time indicator (40 time zones). AM/PM indicator. Daylight savings time function. Power save function. Sapphire glass with Seiko's proprietary super clear, anti-reflective coating. Tri-fold push button release clasp. LumiBrite hands and markers. Water-resistant to 10 bar, 100 meters (330 feet). Black Ceramic Bezel. Rose Gold Finish. Stainless Steel Case with hard coating. Extra Strength Silicone Strap.