This is a set of waterproof watch back cover rings designed for repairing or maintaining wristwatches. It includes multiple sizes: 0.3 mm, 0.5 mm, 0.6 mm, and 0.8 mm thickness options to suit different watch models. The rings are water resistant and function as sealing components between the watch case and back cover. They help maintain the watch's dust and moisture protection when properly installed. Ideal for watchmakers, hobbyists, or anyone performing DIY watch servicing.
What's in the box
1 x Cover Ring (0.3-0.8 mm)
