Casio Gshock Ga4001a 25/11/201821/11/2018 Ahmad Shalaby Download: You must log in to download this watchface. Please log in or register as a user. Username:Password:Log in Register How to use this file: Download WatchMaker App from Google Play Store directly by clicking on the image below these steps. Install the Watchmaker Companion App available on Samsung Gear Store. Read the WatchMaker help section to know more about how to use the app and it's benefits over the Samsung GWD watch faces.