The silicone gasket is one of the references for watch case repair. Flexible, resistant to temperature variations and hydrophobic, silicone offers long-lasting water resistance. Ideal for screw-down case-backs.

Features

• Material: watchmaker-grade silicone.
• Resistance: temperature, UV, ageing.
• Compatibility: silicone grease for upkeep.
• Range: many diameters and thicknesses.

How to choose

• Measure the inner diameter of the case-back seat.
• Pick a gasket of slightly smaller diameter for compression.
• Check the depth of the seat to set the thickness.
• Prefer silicone on screw-down cases exposed to moisture.

See also our category case-back gaskets to compare with other formats.

FAQ

Silicone or nitrile, which one?

Silicone is more resistant to UV and heat. Nitrile handles oils better.

Should a silicone gasket be lubricated?

Yes, with watchmaker silicone grease, to ease fitting and extend the seal.