Eterna® Waterproof Crown CN-ETER20
yellow, flush pipe, reference 15G-438FF, outside diameter of crown 5.00 mm, outside diameter of case tube 2.50 mm, height of crown only 3.15 mm, total height of crown 3.15 mm, tap 0.90 mm
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Eterna®. Eterna® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic crystals may devalue your watch.