34.00 mm x 2.00 mm (thick) flat mineral crystal with black trim, white markings “TACHOMETER”, genuine 063TN5257TA Omega® SPEEDSONIC crystal, fits Omega® case REF 1880001, 3880800
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Omega®. Omega® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.