9.00 mm x 16.00 mm x 0.80 mm flat sapphire crystal, generic (not genuine), fits Cartier® W1541056 Tank Louis. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Cartier®. Cartier® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.