![Casio announces a serious outdoor smart watch "WSD-F10", it can also extend the battery life by more than a month with a two-layer structure with monochrome and color liquid crystal overlaid - Casio announces a serious outdoor smart watch "WSD-F10", it can also extend the battery life by more than a month with a two-layer structure with monochrome and color liquid crystal overlaid -](http://i.gzn.jp/img/2016/01/06/wsd-f10-casio/s10.jpg)
Casio announces a serious outdoor smart watch "WSD-F10", it can also extend the battery life by more than a month with a two-layer structure with monochrome and color liquid crystal overlaid -
![Casio WSD-F10 Outdoor Smartwatch Boasts Dual-Layer Display Structure, One Month Battery Life and More | Gadgetsin Casio WSD-F10 Outdoor Smartwatch Boasts Dual-Layer Display Structure, One Month Battery Life and More | Gadgetsin](http://media.gadgetsin.com/2016/01/casio_wsd_f10_outdoor_smartwatch_with_dual_layer_display_structure_1.jpg)
Casio WSD-F10 Outdoor Smartwatch Boasts Dual-Layer Display Structure, One Month Battery Life and More | Gadgetsin
![Casio Pro Trek Smart WSD-F30 smartwatch has a smaller case, better power management, and improved dual-layer display Casio Pro Trek Smart WSD-F30 smartwatch has a smaller case, better power management, and improved dual-layer display](https://www.g-central.com/wp-content/uploads/2018/08/wsd-f30-dual-layer-display.jpg)
Casio Pro Trek Smart WSD-F30 smartwatch has a smaller case, better power management, and improved dual-layer display
![Casio announces a serious outdoor smart watch "WSD-F10", it can also extend the battery life by more than a month with a two-layer structure with monochrome and color liquid crystal overlaid - Casio announces a serious outdoor smart watch "WSD-F10", it can also extend the battery life by more than a month with a two-layer structure with monochrome and color liquid crystal overlaid -](http://i.gzn.jp/img/2016/01/06/wsd-f10-casio/s09_m.jpg)