Seiko Astron GPS Solar 2025 Limited EditionInspired by cherry blossoms blooming under the stars.A beautiful scene of a starry sky and cherry blossoms dancing in the wind is expressed in the glittering purple gradation dial and all-black case and bracelet. The outer circumference of the dial is decorated with a pattern resembling star trails. The case and bracelet are finished with a scratch-resistant hard coating that maintains its jet-black sheen. The adjustment system for the clasp allows easy fine-tuning of the bracelet length. FunctionsOvercharge prevention functionPower save function Chronograph up to 12 hours in 1/20 second increments Perpetual calendar to the february 28, 2100World time function (38 cities)Dual-time functionDay displayPower reserve indicatorTime 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 functionReception result display functionDST (Daylight Saving Time)Function to prevent the GPS signal reception (in-flight mode)Automatic hand position alignment function