Numbered Limited Edition: 1,200 pieces worldwide. GPS Solar. 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. Screwdown caseback and crown. Titanium case and bracelet with super hard coating. Tri-fold push button release clasp with extender. LumiBrite hands and markers. Water-resistant to 20 bar, 200 meters (660 feet). Case diameter: 48.5mm. Two-piece ceramic bezel.