This watch strap is perfect for those who own an Omega Seamaster Diver 300M and want to enhance its look and comfort. Whether you're diving, working out, or just going about your daily life, this strap will be a great companion. It's made of premium liquid silicone rubber and has a heavy - duty 316L stainless steel buckle. The size is designed to fit the Omega Seamaster Diver 300M precisely.