29.62 mm x 3.80 mm (height) round plastic crystal, with gold colour ring, genuine 063PX5315 Omega® crystal, fits Omega® case REF 1660257, 1660258, 1660260, 3660863
* 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.