34.00 mm x 3.12 mm flat mineral crystal with calendar window, generic (not original), to fit Invicta® case number 3045. 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.