Omega Style No: 210.30.42.20.10.001 Omega Seamaster Diver 300M Co-Axial Master Chronometer - 42 mm Steel Case - Green Dial

42 mm steel case and helium escape valve, transparent back, green ceramic bezel, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, green dial, Calibre 8800 self-winding chronometer movement with date. Water resistant to 300 metres (1000 feet).