Overview Reviews Product Description Generic replacement parts, gaskets are made of nylon for older watches that will no longer be waterproof with a standard gasket (.6mm thickness). Thickness: .7mm Product Videos Part Type Part Type Gaskets Brand Rolex Product Reviews Write a Review Write a Review × rg-th-3 3 mm Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *