Bulova® Bezel Gasket BU-G4007BEZ case reference C893781
o-ring, case reference C893781, outside diameter 29.30 mm, inside diameter 28.50 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.