Pollywatch Glass Polish Review - tried removing scratches on an Apple Watch Series 4 - YouTube
Polywatch works : r/AppleWatch
Germany PolyWatch Acrylic Plastic Watch Face Case Deep Scratches Removing Cream For Swatch, SUUNTO, Resin Swimming Goggles - AliExpress
Polywatch works well on the watch! I suspect that's because the damage was really light, maybe largely to the coating. Highly recommend giving it a try if you have any light surface