Overview Reviews Product Description Original Seiko Stainless Steel clasp for model SRP309 SKX781 with diver's extension 18mm Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Seiko Seiko Monster buckle SRP309 SKX781 with Divers Extension Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments