Bulova® Case Back Gasket BU-G859 case reference 3165 3166
o-ring, case reference 3165, 3166, 3167, 3169, 3410, outside diameter 20.60 mm, inside diameter 19.80 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.