Longines® Dustproof Crown CN-LONG30 diameter 3.75 mm
steel, high square with “wings” logo, diameter 3.75 mm, height of crown only 1.95 mm, tap 0.90 mm, total height of crown including pipe 3.15 mm
* 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. Using generic crystals may devalue your watch.