Omega Seamaster Planet Ocean 600M Omega Co-Axial Master Chronometer Chronograph - 45.5 mm Steel Case - Ceramised Titanium Dial - 215.30.46.51.99.001 Ivory-Beige The 5-row fine-brushed

The 5-row fine-brushed

Built to withstand everything the elements could throw at it

41 mm steel and sedna gold case with anti-magnetic protection

2 mm 18K white gold case

39 mm steel case with anti-magnetic protection

Omega Seamaster Planet Ocean 600M Omega Co-Axial Master Chronometer Chronograph - 45.5 mm Steel Case - Ceramised Titanium Dial - 215.30.46.51.99.001 Ivory-Beige The 5-row fine-brushed45. 5 mm steel case with anti magnetic protection and helium escape valve, transparent back, unidirectional bezel with diving scale filled with liquid ceramic and Super LumiNova, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, ceramised titanium dial with a small seconds counter and a date window, Calibre Omega 9900 self winding co axial master chronometer movement with chronograph, small seconds, and date,