After Market Replacement Curved End 20mm Silicone/ Rubber Strap fits 

Omega Seamaster Diver 300

20mm curved rubber watchbands are frequently used on the black Tudor Ranger 39mm models, as well as the Tudor BB58 model, and several other famous models, such as Rolex Submariner, Omega Seamaster, Omega Speedmaster, Omega X Swatch, and more. It is waterproof and ideal for outdoor use, which is why rubber straps are highly popular among divers and adventurers. It's a perfect summer strap. It also comes with a 304L stainless steel buckle.

The two-piece strap is made from high-quality soft, flexible and waterproof Silicone/ Rubber and comes in different colours. It is compatible with several brand and designed for men's wristwatch. The strap is durable and comfortable to wear, making it suitable for both classic and casual occasions. Its lug width is 20mm, and it is aftermarket product.

It will fit up to an 8 inch wrist.

It will fit watch with curved end 20mm at lugs.

Length:

Long part: 125mm

Short part: 80mm

Included: 20mm Spring Bar Pins

This after market strap is not manufactured or endorsed by Omega SA. It is a third-party accessory designed for use with compatible watch models.