Generic Case Back Gasket to fit Cartier® CT-GSKT10
Ballon Bleu, mens, large size part # MX004521, case 3001, generic (not original)
* 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. Using generic crystals may devalue your watch.