![Got this Casio Pro Trek WSD-F21HR. WearOS, mil-spec durability, heart rate + other sensors useful in outdoors activities and most importantly dual layer screen that can show just the time, reputedly for Got this Casio Pro Trek WSD-F21HR. WearOS, mil-spec durability, heart rate + other sensors useful in outdoors activities and most importantly dual layer screen that can show just the time, reputedly for](https://external-preview.redd.it/T1jIqAjcSJvW_hJRUfFPuLqk8BQ4ZadWhKLGAlGmghU.jpg?auto=webp&s=3bb4fa1b4252e58ae2d62677df78a80994b6a20a)
Got this Casio Pro Trek WSD-F21HR. WearOS, mil-spec durability, heart rate + other sensors useful in outdoors activities and most importantly dual layer screen that can show just the time, reputedly for
![Recommended for snowboarding and skiing! Casio tests new features of PRO TREK Smart | Japan Top News Recommended for snowboarding and skiing! Casio tests new features of PRO TREK Smart | Japan Top News](https://news.mynavi.jp/article/20200227-962568/ogp_images/ogp.jpg)
Recommended for snowboarding and skiing! Casio tests new features of PRO TREK Smart | Japan Top News
![Casio PRO TREK Smart WSD F-30 rugged Wear OS outdoor watch with GPS announced [Update: Available from January 18] Casio PRO TREK Smart WSD F-30 rugged Wear OS outdoor watch with GPS announced [Update: Available from January 18]](https://images.fonearena.com/blog/wp-content/uploads/2018/08/Casio-PRO-TREK-Smart-WSD-F-30-1-1024x687.jpg)