Generic Threaded Waterproof Crown to fit Baume & Mercier® CN-BM004
yellow (20 micron), outside diameter 3.50 mm, tube diameter 2.95 mm, crown height 2.60 mm, crown height with pipe 5.66 mm, tap 0.90 mm, generic (not original)
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Baume & Mercier®. Baume & Mercier® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic crystals may devalue your watch.