30.62 mm x 5.40 mm (height) round plastic crystal with gold colour ring, genuine 063PX5143 Omega® crystal, fits Omega® case REF 1660003, 1660003SP, 166003, 168005G
* 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.