Genuine Hamilton® Crown CN-HAM10 

steel waterproof with logo, total height of crown (including pipe) 2.30 mm, diameter 4.50 mm, fits tube 2.00 mm, tap 0.90, height of crown 1.60 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.