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