PolyWatch Glass Polish is a high-performance diamond polish designed for all mineral and sapphire watch glasses. It removes fine, small, and medium scratches and is also versatile in its applications: smartphones, watches, cars, furniture, household items, windows, and much more. With the innovative Diamond Polishing Technology (DPT), which utilizes micro-sized diamond particles to eliminate scratches, you can achieve professional results. The all-inclusive set saves you money and helps maintain the value of your favorite items. Additionally, it saves you from the costly replacement of watch glass. Do not use on coated surfaces.