Seiko Gents Stainless-Steel Black Astron Watch SSJ005J

Movement Type GPS solar Precision ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C ) Power reserve Operating for approx. 6 months (when fully charged), power save: approx. 2 years Jewels 12 Functions 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, manual 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 Case/Band Case Material Titanium (super-hard coating) Case Size Thickness:12.2mm Diameter:43.1mm Lug-to-lug:48.0mm Crystal Sapphire crystal Crystal Coating Super-clear coating LumiBrite LumiBrite on hands and index(es) Clasp Three-fold clasp with push button release Distance between lugs 14 Other Details Water Resistance 10 bar Weight 105.0 Features LIMITED EDITION on the case back Serial number engraved on the case back Allergy-safe metal Clasp with Smart Adjuster function Screw case back