31.00 mm x 3.00 mm (height) mineral crystal, genuine 063TN5165 Omega® crystal, fits Omega® case REF 1660068, 1660091, 166068, 166091
* 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.