Details
This S1 DELUXE DUOFIL O-Ring watch case back seal assortment is a great gasket kit for hobbyist watchmakers and professionals who work on watch case backs. These round watch gaskets are made of solid rubber to create an airtight seal and are flexible enough to fit not only round watch case backs but, square, rectangle and other fancy shaped watch case backs. Thickness 0.8mm, 68 different sizes, 5 of each size, packed in labelled and sorted bags. 340 watch case gaskets in total, supplied in a cardboard box.