Seiko Astron 50th Anniversary Limited Edition GPS Solar Men's Watch SSH023J1

Seiko astron 50th anniversary limited edition GPS solar men's watch SSH023J1. Stainless steel black plated (super hard coating) case with ceramic bezel. Black plated stainless steel bracelet, black dial. GPS solar. Dual-curved sapphire crystal, super-clear coating. Lumibrite on hands and indexes. Three-fold clasp with push button release. Water resistance upto 100m / 10 bar. Case thickness 13.5 mm, case diameter 42.7 mm, case length 50 mm. Clasp with smart adjuster function. LIMITED EDITION on the case back. Screw case back. Automatic hand position alignment function. Day display. DST (Daylight Saving Time). Dual-time function. Function to prevent the GPS signal reception (in-flight mode). GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment). Overcharge prevention function. Perpetual calendar to the February 28, 2100. Power reserve display. Power save function. Reception result display function. Satellite acquisition status display function. Time transfer function (Switching between the main-dial and sub-dial). World time function (39 time zones).