This watch strap is perfect for Omega Seamaster Diver 300M owners who lead an active lifestyle and want to add a touch of style to their timepiece. Whether you're diving, working out, or just going about your daily routine, this strap will keep up with you. It's made of premium liquid silicone rubber and has a heavy - duty 316L stainless steel buckle. The strap is designed to fit the Omega Seamaster Diver 300M precisely.