Use Silicon-7 watch gasket sealer to seal watch cases. Prevents leakage of moisture into the case caused by worn gaskets. Will not evaporate, vaporize, harden, break down or affect oils. Not affected by moisture, salts, acids, fungus, or alkalis. Keeps the watch mechanism intact.
#50700 – Vial $9.95
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Troop-Balas Laboratories – Manufacturers of Cleaners and Lubricants for the Precision Watch and Instrument Trades.