Overview Reviews Product Description Crystal for Seiko RE5N90LM01 fits case numbers : Y100-4139 V320-5180 Product Videos Custom Field Product Reviews Write a Review Write a Review × Seiko Crystal for Seiko RE5N90LM01 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *