About This Watch: This Omega Seamaster Aqua Terra 231.28.30.20.55.002 has an automatic movement. It features a mother-of-pearl dial and a scratch resistant sapphire crystal. It is decorated with flawless ideal cut diamonds on its face and bezel. Its finely crafted case is made out of stainless steel and 18k yellow gold. This watch is water resistant up to 150 meters.