Astron Solar GPS SSH137 stepcut square contributing to a tough chronograph

contributing to a tough chronograph

12-hour bezel for dual time tracking

Crafted of stainless steel with black hard coating

100M Water Resistant

Astron Solar GPS SSH137 stepcut square contributing to a tough chronographAstron GPS Solar Limited Edition. With the strong, sleek lines of the Seiko Astron, the worlds first commercially available quartz watch, todays Astron is designed for a new generation of leaders, breaking through to the future with excellence in both innovation and style. Available only in a controlled production run of 1,200, with the production serial number engraved on each caseback, this distinctive Limited Edition combines solid tailoring with