Give your Rolex Oyster Perpetual 39mm the strap it deserves. Our Curved End Rubber Deployant Strap is tailor-fit to your model’s dimensions: seamlessly hugging the case and lugs. The deployant style band incorporates your original Rolex clasp and is available in multiple size and color combinations to custom fit your watch and your wrist. The deployant strap also incorporates your easy link or diver extension if applicable. *Deployant buckle not included.