31.62 mm x 5.20 mm (height) round plastic crystal with yellow colour ring, genuine 063PX5011 Omega®, 1660001, 1665032, 1680011, 1680011SP, 1680014
* 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.