Bulova® Case Back Gasket BU-G4007
o-ring, case reference C893754, C893816, C893817, R340, R341, R353, R364, R365, R366, 8437, 8437-1, 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.