This o-ring watch case back seal assortment includes 144 gaskets of various 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.
Note: Diameter measured is the interior diameter of the gasket
Assortment is available in seven different thicknesses. Simply select the thickness you need from the drop down menu above.
- Each kit has gasket diameter sizes: 14.5–32 mm
- Kit has a total of 144 pieces
- O-rings fit a variety of watch case backs from round to square
- Made to fit Quartz watches
- Maintain airtight seal
- Solid tube o-rings
- Made of rubber