The watch glass is called the crystal and can break if dropped or hit against something. Most watches have a mineral crystal, which scratch easily. Some high end watches have a sapphire or sapphire-coated crystal, which is more durable and scratch resistant.

Scratches on a watch crystal cannot be buffed out, especially if they are deep scratches, but the watch glass can be replaced. Watch glass repair can be done through a jeweler or watch repair center. When the watch glass is repaired, it needs to be glued and resealed to the watch case by a professional.

If you need help fixing your watch, trust a professional.
https://www.timesticking.com/watch-repair/

Times Ticking has been in operation for more than 30 years, since 1982. We have performed watch repair for customers both locally and internationally. If it Ticks! We KNOW it! Our team of watch repair technicians have a combined experience in watchmaking of over 120 years.