![Casio's new rugged WSD-F30 Wear OS smartwatch has improved dual-layer display, smaller case | Android Central Casio's new rugged WSD-F30 Wear OS smartwatch has improved dual-layer display, smaller case | Android Central](https://www.androidcentral.com/sites/androidcentral.com/files/styles/large_wm_brw/public/article_images/2018/08/casio-wsd-f30-wear-os-watch-1.jpg)
Casio's new rugged WSD-F30 Wear OS smartwatch has improved dual-layer display, smaller case | Android Central
![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
![Casio's new rugged WSD-F30 Wear OS smartwatch has improved dual-layer display, smaller case | Android Central Casio's new rugged WSD-F30 Wear OS smartwatch has improved dual-layer display, smaller case | Android Central](https://www.androidcentral.com/sites/androidcentral.com/files/styles/xlarge_wm_brw/public/article_images/2018/08/casio-wsd-f30-wear-os-watch-11.jpg)