Garmin! Which satellite systems should I use? GPS GLONASS GALILEO?
Garmin Overlander Robust All-Terrain Sat Nav Including OpenStreetMap Maps with Topographic Data in the Terrain, 3D Road Maps for Europe, Vehicle-Specific Routing, POIs, GPS/GLONASS/Galileo : Amazon.de: Electronics & Photo
Sample of Galileo-enabled wearables: the test results are in!