28.00 mm round domed sapphire crystal, height 2.86mm, thickness to center 1.60 mm, generic (not original) to fit Omega® case REF 3681215, 3682010, 3682011, 3682012, 3962010, 3962011, 4682010, 4682025, 8682011, 8682012. Using generic crystals may devalue your watch.
* 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.