Case Tube to fit IWC® CT-IWC001 IWC Portuguese
case tube to fit IWC Portuguese, threads into the case, diameter 2.50 mm, crown side is friction with a diameter 2.50 mm, generic (not original)
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by IWC®. IWC® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic crystals may devalue your watch.