This watch strap is perfect for anyone who owns an Omega Seamaster Diver 300M. Whether you're out diving, at the office, or just hanging out, this strap will add style and comfort to your timepiece. It's made from high - quality liquid silicone rubber and has a heavy - duty 316L stainless steel buckle. The curved end design fits the Omega Seamaster Diver 300M perfectly. Although the exact size and weight aren't specified, it's designed to be a great fit and comfortable to wear all day.