500pcs Waterproof Watch Crown Rubber Washer O-Ring Seals Accessory

"I know why you came, my friendFeature：Compact and light weight design for easy to store and carry.Made of high quality rubber material, which is durable for long-term use.This is a rubber O-Ring round watch gasket that keep your watch water resistant.This is excellent for most watches, especially if you are doing watch battery replacement.Gaskets will stretch a couple of millimeters and will also work on watches of shapes other than round.Because of the precision of the product, it will stick to the packaging box. Please be careful when opening the box.