Original Omega ref. 2998 Speedmaster wristwatch Crystal #PN 5079062 In original Swatch Omega sealed envelope. Approximately 32.3 mm in diameter and 4.5 mm thickness of the dome, the measurement was taken through the plastic cover so it is an estimate. Omega logo embossed in the middle of the crystal. Please make sure that this part fits your needs, opened packages will NOT be accepted back. Buyer pay return shipping