Astron GPS Solar

The SBXB037 is a 45 mm titanium-and-ceramic Astron running the 8X53 GPS solar quartz world-time caliber at 32,768 vph, rated to 100 m. Catalogued only for 2015, it is one of the line's single-year, limited-run world-time references. It shared the family's broad spread of dial colors.

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