Astron GPS Solar

The SBXB071 is a 45 mm Astron noted for its full titanium case, set apart from the many ceramic-bezel references around it, with 100 m water resistance and the 8X53 GPS solar quartz world-time caliber at 32,768 vph. Catalogued only for 2015, it was a single-year release. It came in the family's…

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