Astron SSH180J1 PATRIZZI and a screw-down crown

and a screw-down crown

and bezel ensures excellent visibility

Caliber 6R54 is presented in three new Prospex creations that are all modern re-interpretations of a Seiko classic from 1968 and are designed for diving with 200-meter water resistance

while the luminous hands and markers make it easy to read

Astron SSH180J1 PATRIZZI and a screw-down crownThe Seiko Astron SSH180J1 is a high tech timepiece built for global living. Powered by GPS solar movement, it automatically adjusts to your time zone and runs for up to six months on a full charge. It features a chronograph, dual time display, perpetual calendar (good until 2100), and world time across 38 citiesall packed into a sleek 44. 3mm case with a super clear sapphire crystal. LumiBrite ensures visibility in the dark, while the smart adjusting