seiko astron vs citizen satellite wave

Seiko Astron vs Citizen Satellite Wave – GPS Solar Watches

In the ultra-modern world of GPS and solar watches both Seiko and Citizen have some noteworthy models. Both the Seiko Astron and Citizen Satellite Wave are hot GPS contenders in this area, featuring very similar technology, but quite different looks and offerings. In this review I will take a detailed look at how the technology compares …

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