Clasp Type: Pin Buckle. Band Material Type: Leather.
Nylon Rubber Strap 20-22mm Butterfly Buckle for IWC Tudor Seiko
You get the rugged breathability of nylon, the secure grip of rubber, and the refined look of a butterfly clasp – all in one versatile strap. Instantly upgrades any IWC, Tudor, or Seiko with a modern sport‑luxury feel.