42.20 mm (diameter) x 2.90 mm (thick) sapphire crystal with AR coating, generic (not genuine), fits Breitling® Navitimer World, reference A243222, supplied with crystal gasket. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Breitling®. Breitling® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.