31.62 mm x 4.35 mm (height) round plastic crystal with steel colour ring, genuine 063PZ5241 Omega® crystal, fits Omega case REF 1660169, 1660174, 1660210, 1660215, 166169, 166174, 166210, 166215, 3660833, 366833
* 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.