Overview Reviews Product Description Crystal for Seiko case numbers: 6106-8660, 6106-8670, 6106-8680, 6106-8709, 6106-8750, 6118-8020 Product Videos Custom Field Product Reviews Write a Review Write a Review × Seiko Crystal for Seiko 310W28GN 6106-8660 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *