Bulova® Case Back Gasket BU-G4055
o-ring, case reference C815103, C815107, C815108, C845021, C852081, outside diameter 30.40 mm, inside diameter 29.20 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.