Garmin unveiled the new Fenix 6 series of watches with several new models. This includes the Garmin Fenix 6X Pro Solar, its first solar-powered watch. Well, partially solar-powered. The watch's battery life is normally 21 days. But the so-called Power Glass can add 3 days to that or 6 hours of GPS usage. The solar cell is a transparent layer on top of the 1.4" display. Garmin Fenix 6X Pro Solar Edition That screen has 280 x 280px resolution and a sunlight visible transflective layer (using power-efficient memory-in-pixel tech). You can have turn-by-turn navigation,...