39.20 mm x 11.5 mm (thick) round magnified mineral crystal, generic (not original), to fit Invicta® Pro-Diver. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Invicta®. Invicta® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.