![Longines® Crystals CY-LONG50 REF 76](http://perrinwatchparts.com/cdn/shop/files/CY-LONG50_300x300.jpg?v=1683039294)
20.50 mm plastic crystal with calendar window, original, Longines® REF 76
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Longines®. Longines® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.