The red watch gasket is a flat gasket made of rigid polymer. Easily recognisable by its colour, it fits many snap-back cases and flat case-backs. Its rigidity offers stable long-term sealing.

Features

• type: flat rigid polymer gasket.
• Colour: red, the classic visual marker.
• Diameters: a broad range to fit your case.
• Thicknesses: matched to shallow seats.

How to choose

• Measure the outer diameter of the case-back seat.
• Check the required thickness for compression.
• Use a watch opener suited to your case-back.
• Pick this gasket for vintage snap-back cases and some Swiss references.

For fitting, see our guide replace a case-back gasket.

FAQ

Should the red gasket be lubricated?

Not necessarily. Its rigidity limits the benefit, but a thin film of silicone grease eases fitting.

Red gasket or O-ring?

Red fits shallow flat case-backs. The O-ring suits wider seats.