Accutron® 501W Waterproof Crown
steel with LOGO, genuine Accutron® 501W, outside diameter 4.00 mm, tube diameter 2.00 mm, tap 0.90 mm, height 2.40 mm, case reference C815028, C815043, C815044, C815045, C815069, C862001, C877012, C877015, C877018, C877019, C877021, C892882, N232, N531, N544, Q163, Q514, Q515, R331, R368
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Accutron®. Accutron® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic crystals may devalue your watch.