Details
This S1 DELUXE PREMIUM O-Ring watch case back seal assortment includes 144 gaskets, diameter 0,9 mm, 21 different sizes. These round gaskets are made of solid tube rubber to create an airtight seal that prevents water from entering the watch case. They are flexible enough to fit not only round watch case backs but, square, rectangle and other fancy shaped case backs. A very good watch gasket set for professional watchmaker and amateurs, pefekt for many brand name watches.