Overview Reviews Product Description Seiko original spring for push button stainless steel For Case numbers 7A38-7020 Product Videos Custom Field Product Reviews Write a Review Write a Review × Seiko Seiko Push Button Spring 8135 0540 Case Number 7A38-7020 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *