Bulova® Case Back Gasket BU-G686 Accutron® 218
o-ring, Accutron® 218, outside diameter 30.20 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.