Seiko Astron Limited Edition Supernova GPS Solar Men's Watch SSH123J1

Seiko astron limited edition supernova GPS solar mens watch SSH123J1. Black plated titanium case and bracetet with purple dial. Case size 43.1mm. GPS solar movement. Water resistance up to 100 meters. Sapphire crystal. Super clear crystal coating. Three fold clasp with push button release. LumiBrite on hands and indexes. Overcharge prevention function. Power save function. Perpetual calendar to the February 28, 2100. World time function (39 time zones). Dual time function. Day display. Power reserve indicator. Time transfer function (Switching between the main-dial and sub-dial). GPS signal reception function (Time zone adjustment, automatic time adjustment). Satellite acquisition status display function. Reception result display function. DST (Daylight Saving Time). Function to prevent the GPS signal reception (in-flight mode). Automatic hand position alignment function. Allergy safe metal. Screw case back.