Omega Style No: 210.60.44.51.03.001 Omega Seamaster Diver 300M Co-Axial Master Chronometer Chronograph - 44 mm Titanium And Tantalum And Sedna Gold Case - Polished Blue [Zro2] Dial

44 mm titanium and tantalum and sedna gold case and helium escape valve, bezel and the middle links of the bracelet, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, polished blue ceramic [zro2] dial, Calibre 9900 self-winding chronometer movement with chronograph, small seconds, and date. Water resistant to 300 metres (1000 feet).