It will work on the following case numbers: 6513-6533, 6626, 6700-6705, 6900 thru 6921, 6924, 6927, 6929, 6933 and others. It fits a lady Rolex Date Perpetual #6900, 6916, 6917,6920. SAPPHIRE WATCH CRYSTAL FOR LADIES 26MM NO DATE ROLEX 176200, 176210, 176234.
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