The flat watch gasket in nitrile rubber is an affordable solution for watchmaker repair. Choose the flat case-back gasket you need from our selection of diameters, brands and thicknesses.
Features
- Material: nitrile rubber.
- Shape: circular flat section.
- Thicknesses: 0.25 to 1.00 mm.
- Hardness: 65 to 75 Shore.
- Wide range of inner and outer diameters.
How to choose
- Measure the outer diameter of the case-back seat with a calliper.
- Check the depth of the groove for the right thickness.
- Apply silicone grease before fitting to preserve sealing.
- Use a suitable watch opener to access the case.
Flat gaskets fit many waterproof and water-resistant watches from brands such as Festina, Tissot, Casio or Donna Kelly.
FAQ
Flat or O-ring?
Flat gaskets fit shallow snap-back cases. O-rings suit deeper grooves and screw-down case-backs.
Should the flat gasket be replaced every opening?
Yes, once compressed it loses its sealing capacity.
