Genuine Hamilton® Crown CN-HAM08 

steel dustproof crown with logo, total height of crown (including pipe) 2.55 mm, diameter 5.00 mm, tap 1.00 mm, height of crown 2.00 mm

 

* Perrin Supply Ltd is independent of and not affiliated with or sponsored by Hamilton®. Hamilton® warranty does not apply to parts supplied by Perrin Supply Ltd. Using generic crystals may devalue your watch.