Astron GPS Solar

The SBXB091 is a 45 mm titanium-and-ceramic Astron with 100 m water resistance and the 8X53 GPS solar quartz world-time caliber beating at 32,768 vph. Catalogued only for 2016, it is among the line's single-year world-time references. It came in Seiko's broad Astron dial range.

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