

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 totally water resistant. These micro o-rings are sold by size, in packages of three. Simply select the size you need from the drop down menu above.
Note: Diameter measured is the interior diameter of the gasket
*Sizes are approximate as measurements may vary slightly by gauge.