It will fit the following case # 116233 116234 Oyster Perpetual and others. 3 SAPPHIRE WATCH CRYSTAL FOR 28MM ROLEX DATEJUST 279171 279173 219174 279138 RBR. Sapphire Crystals. This Swiss sapphire crystal with nylon gasket and will fit the watch just like the original and the watch will be waterproof.
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