30.62 mm x 4.70 mm (height) round plastic crystal, steel colour ring with a calendar loupe, genuine 063PZ5031L Omega® crystal, fits Omega® case REF 14710, 14744, 14763, 14779, 1650010, 1660010, 1660010SP 1680024, 2975
* 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.