Watch Case Back Opener

Watch Case Back OpenerSave time and money on your watch battery changes with this custom-designed 3D-printable case back opener. No need for a watchmaker — simply print the tool, order the correct battery, and replace it yourself in minutes. Designed for the Rdunae RA03 Military Field Watch, and tested on other 34–36 mm models. If it doesn’t fit perfectly, simply scale the model in your slicer to match other sizes, as long as the case back has the same six-notch pattern. Quick print – minimal filament, only minor supports necessary Easy to use – secure grip without scratching your watchScalable – resize in your slicer to fit larger or smaller six-notch case backs Print today and be ready for your next battery change without the hassle or cost of a service visit.