Bulova® Waterproof Crown CN-BUL01 Bulova® 307W case reference R307
steel with LOGO, domed Bulova® 307W, case reference R307, outside diameter 5.00 mm, tube diameter 2.25 mm, tap 1.10 mm, height 2.90 mm
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Bulova®. Bulova® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic crystals may devalue your watch.