26.50 mm x 26.50 mm x 0.80 mm (height) mineral crystal, genuine 063TN5339 Omega® crystal, fits Omega® case REF 1910131, 19101311, 1910171, 1910181, 1960181, 3960909
* 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.