![Generic Crystals to fit Roamer® CY-ROAM18 case number X7170](http://perrinwatchparts.com/cdn/shop/files/CY-ROAM18_300x300.jpg?v=1682607364)
31.60 mm plastic cylinder type crystal, generic (not original) to fit Roamer® case number X7170. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Roamer®. Roamer® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.