SEIKO Prospex GPS Solar Limited Edition SSF001 MADE IN JAPAN GPS Solar Numbered Limited Edition: 1,200 pieces worldwide Caliber 8X53 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 200M water resistant Case diameter: 48.5mm Two-piece ceramic bezel