Omega Style No: 220.20.38.20.02.001 Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 38 mm Steel And Sedna Gold Case - Silvery Dial - Brushed And Polished Steel And Sedna Gold Bracelet

38 mm stainless steel and 18K Sedna gold case, transparent back, screw-in crown, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, silvery dial with a horizontal teak pattern, caliber 8800 self-winding Co-Axial master chronometer movement with date function, approximately 55 hours of power reserve, brushed and polished steel and Sedna gold bracelet. Water resistant to 150 m (500 ft).