![Bulova® Case Back Gasket BU-G4124](http://perrinwatchparts.com/cdn/shop/products/BU-G4124_20a497cf-6532-40fc-90b5-5e281b1acbdf_286x300.jpg?v=1688063482)
Bulova® Case Back Gasket BU-G4124
o-ring, case reference C863027, C863028, outside diameter 31.10 mm, inside diameter 29.70 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.