These mini O-ring gaskets are made for use with Japanese style crowns. These round gaskets are made of solid tube rubber to create an airtight seal making them perfect for ensuring that your watch is water resistant.
Note: Diameter O-ring gasket is measured using the interior diameter of the gasket followed by the thickness.
- Sold by size
- Maintains airtight seal
- Micro-O-Rings fit watch crowns
- Material rubber neoprene
- These micro O-ring watch crown sealers should be replaced with every service.
*Sizes are approximate as measurements may vary slightly by gauge