1.External diameter: 35.2mm Inner diameter:31.2mm Thickness:0.8mm 2.the procuct used for various wrist watch on the seal.

1. material:the product made of hight quality silicone.2. low/heat resistance:-25°C-200°C.3. Performance: insulative, sealed, waterproof, restrained oxygen, restrained high and low temperature, aging and erode.4. the product was widely used for various parts sealing on the facility.

rubber wrist watch washers