About This Watch: This Omega Seamaster Aqua Terra Watch 231.25.39.21.51.002 has an automatic movement. It features a black dial and a scratch resistant sapphire crystal. It is decorated with flawless ideal cut natural diamonds on its face and bezel. Its finely crafted case is made out of stainless steel with its bezel and its crown in yellow gold. This watch is water resistant up to 150 meters.