28.10 mm x 27.10 mm x 3.20 mm (height) plastic crystal, genuine 062PN2211 Omega® crystal, fits Omega® case REF 1660255, 1660256, 3660860, 3660861
* 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.