Case Tube Tool for the Old Style Rolex® 5.3 mm Case Tube, is used to remove and install the old style Rolex® 5.30 mm case tubes, tube 24-5300
The external diameter of the spline is 1.60 mm.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Rolex®. Rolex® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic parts may devalue your watch.