This strap is perfect for anyone who owns an Omega Seamaster Diver 300M, especially those with an active lifestyle or who love underwater adventures. You can wear it while swimming, navigating, or just in your daily life. It features a precision curved end design that fits seamlessly with your watch case. Made from high - quality FKM rubber, it's resistant to water and sweat. The polished 316 stainless steel buckle provides a secure fit. Although specific size and weight details aren't provided, it's designed to be a great fit for your Omega Seamaster Diver 300M.