Astron GPS Solar

The SBXB045 is a 45 mm titanium Astron with ceramic bezel and 100 m water resistance, distinguished within its siblings by a black dial. It runs the 8X53 GPS solar quartz world-time caliber at 32,768 vph. Catalogued from 2015 to 2019, it is one of the line's longer-lived world-time references.

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