Silicone case back gasket, supplied by size, covering 35mm to 43mm inside diameter for a precise seal.
⭐ At a glance
📏 Available in sizes from 35mm to 43mm, measured on the inside edge
📏 Outside diameter is 1mm larger than the stated inside size; gasket thickness is 0.5mm
✅ Fits watch case backs requiring a gasket of the matching size
✔️ Condition: New
Material: Silicone
✅ Fits
Suitable for any watch case back that calls for a silicone sealing gasket in the stated size — simply match the inside diameter of your old gasket or case back groove to choose the right one.
Silicone grease is also available separately and can be used with this gasket to improve the seal and help it last longer.
⚠️ Please check the exact inside diameter needed for your case back before ordering, as gaskets are sized precisely and even a small mismatch will affect the seal.