![Swiss Army® Crystals CY-SWISS22](http://perrinwatchparts.com/cdn/shop/files/CY-SWISS22_300x300.jpg?v=1682609837)
31.00 mm x 2.00 mm thick round flat sapphire. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Swiss Army®. Swiss Army® warranty does apply to parts supplied by H. & W. Perrin Company Limited.