Omega Style No: 210.30.42.20.01.002 Omega Seamaster Diver 300M Co-Axial Master Chronometer Nekton Edition - 42 mm Steel Case - Laser Ablated Black [Zro2] Dial

42 mm steel case and helium escape valve, uni-directional rotating bezel is in grade 5 titanium and, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, laser ablated black ceramic [zro2] dial, Calibre 8806 self-winding chronometer movement. Water resistant to 300 metres (1000 feet).