The ProTrek series of Casio consists of smartwatch that especially for hikers interesting. And not the kind that occasionally a visit to the Veluwe national park, but, for example, like regular foreign mountains.
This include a barometer and altimeter built in, in addition to offline navigation and a digital compass. The latest model now comes a special edition, the WSD-F20SC-watch.
Which has a screen of saffiergflas, which makes it extra sturdy. There are only 700 made. It is just as well that the positions are fully consistent with the normal WSD-F20. The watch costs $ 500.