Astron GPS Solar

Catalogued from 2015 to 2019, the SBXB061 is a 45 mm titanium-and-ceramic Astron rated to 100 m, built on the 8X53 GPS solar quartz world-time caliber running at 32,768 vph. It belongs to the family's standard world-time grouping rather than the chronograph models. The dial spanned Seiko's full…

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