This flat watch case back seal assortment is a gasket kit for watchmakers and others who work on watch case backs. These flat round gaskets are made of solid tube rubber to create an airtight seal that prevents water from entering the watch case. The assortment contains different sizes to fit into many different channels on watch cases and over many different sizes of watch backs. As this assortment includes gaskets of various sizes, you should definitely be able to find a correct match for the gasket you need to replace.
- Kit has a total of 144 pieces
- Consists of an assortment of different sized gaskets
- **Note** Gaskets are NOT marked by size
- Flat gaskets fit a variety of watch case backs and channels in watch cases
- Maintain airtight seal
- Solid tube flat gaskets
- Made of rubber