![Tissot® Crystals CY-TISSOT09 case number 10231](http://perrinwatchparts.com/cdn/shop/files/CY-TISSOT09_300x300.jpg?v=1683041118)
27.00 mm plastic crystal, white ring supplied with gasket, to fit Vintage Tissot® case number 10231
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Tissot®. Tissot® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.