New Seiko 4006 Case Spring Movement Ring Spring all Bellmatic's, other movements
New Spring for Movement Ring for Seiko 4006 Cases.
Please feel free to ask if you want to know it will fit on your case or not before purchasing.
It does not have a notch.
Please do not hesitate to contact us if you have any further questions.
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We stand by our products 100% and if by any chance you are not satisfied with your purchase,
We will gladly accept returns with no questions asked.