The Seiko Astron SSH187J1 is a limited edition of 1,500 pieces that represents the pinnacle of watchmaking innovation and universe-inspired design. Its dial features a relief spiral pattern that evokes the energy and motion of a swirling galaxy of stars, capturing light with a hypnotic effect that makes every glance a unique visual experience. The all-black case and bracelet, paired with the dark turquoise dial with glittering accents, reflect the majesty of the deep cosmos emerging from absolute black.

Powered by the advanced GPS Solar movement calibre 5X83, this Astron receives satellite signals to automatically adjust the time and time zone anywhere in the world without battery changes. It features a 12-hour chronograph, perpetual calendar until 2100, world time in 38 cities, and DST function, all with exceptional precision and long power reserve. The titanium case with super-hard coating and dual-curved sapphire crystal ensures lightness, comfort, and durability, making the SSH187J1 a watch that is as sophisticated as it is functional.