31.00 mm x 2.50 mm (height) mineral crystal, genuine 063TN5195 Omega® crystal, fits Omega® case REF 1660160, 1660137, 166137, 166160, 1980008, 1980011, 1980013, 1980018, 1980054, 198007, 198008, 198011, 198018, 198054, 98058, 3660830, 366827, 366830
* 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.