Brand New Authentic Omega Seamaster Aqua Terra White Diamond Dial Yellow Gold Women's Watch Model 231.50.30.20.55.002. 18kt Yellow Gold case with 18kt Yellow Gold watch band. Fixed bezel. Dial description: Gold tone hands and Diamond hour markers with minute markers around the outer rim on a White dial. Automatic movement. Powered by Omega Calibre 8521 engine with 50 hours power reserve. Watch functions: Date, Hour, Minute, Second. Screw In crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 30mm. Transparent case back. 150 Meters - 495 Feet water resistant. 5 year WatchMaxx warranty. Also known as model: 23150302055002.