Flat gaskets

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.

Flat gaskets

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