Nitrile (NBR) black rubber o-ring gasket - 19.5mm x 0.5mm
Quality nitrile black rubber o-ring seal for sealing a watch case. This o-ring has an internal diameter of 19.5mm. The thickness of the o-ring is 0.5mm. (ISO Swiss)
If you need an o-ring with different dimensions please contact us and we will see if we can obtain this for you.