This curved end rubber watch strap is a great addition for owners of the Certina DS Action Powermatic 80 Diver. Whether you're going about your daily routine or diving underwater, this strap is up for the task. It's made of high - tensile silicone rubber, which is both durable and flexible. The heavy - duty 316L stainless steel buckle ensures a secure fit. While specific size and weight details aren't provided, it's engineered to fit the Certina watch precisely, giving you a comfortable and stylish time - keeping experience.