Brand New Authentic Omega Constellation Automatic Chronometer 35mm Diamond Dial Steel Women's Watch Model 123.10.35.20.52.001. Brushed and Polished Stainless Steel case with Brushed and Polished Stainless Steel watch band. Fixed bezel. Silver dial. Automatic Self Winding Chronometer Co-Axial movement. Scratch Resistant Sapphire crystal. Case size: 35mm. Case thickness: 11mm. 100 Meters - 330 Feet water resistant. 5 year WatchMaxx warranty. Also known as model: 12310352052001, 123-10-35-20-52-001, 012310352052001.