Case Sealer Silicone Grease 8 gram. High vacuum pressure waterproof watch case sealant prevents leakage of moisture into the case due to worn gaskets. Will not evaporate, vaporize, harden, or break down, and will not affect watch oils.Unaffected by temperatures from minus 280 Deg. F to 435 Deg. F (138 Deg. C to 224 Deg. C), or by moisture, salts, acids, fungi, alkali, or sweat. Contains 8 grams. High vacuum pressure waterproof watch case sealant Prevents leakage of moisture into the case due to worn gaskets Will not evaporate, vaporize, harden, or break down, and will not affect watch oils SKU: OL420340A UPC: 196943953463 BRAND: Grobet USA MPN: OL420340A Made In: United States Micro-Tools makes every attempt to provide accurate information for each item. Actual packaging and/or specifications may be slightly different from the information and picture provided.N075D