Black O-Ring Case Seal - Thin 0.4 mm thick (in a range of diameters)
Black rubber o-ring case seal for watch cases avaliable in a range of internal diameters - from approximately 11 mm-30 mm. The thickness of the o-ring is approximately 0.4 mm.
Also available in Medium (0.5 mm) thickness and Thick (1 mm) thickness.
Each O-Ring Sold Separately.
If you need an o-ring with specific dimensions please contact us and we will see if we can obtain this for you.