Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer GMT (18.104.22.168.01.001). Caliber 8906 self-winding with 60 hours power reserve. Master Chronometer certified & COSC-certified. Approved by METAS. Anti-magnetic 15,000 gauss. Free sprung-balance with silicon balance spring. Special luxury finish with rhodium-plated rotor and bridges with Geneva waves in arabesque. Helium escape valve. GMT & time zone functions and hands. 18K white gold coated hands with Super-LumiNova treatment. Black ceramic dial with date window at 3 o’clock position. Black ceramic 45.5mm case with unidirectional rotating ceramic bezel and transparent case back. Domed scratch-resistant sapphire crystal with 2 sided anti-reflective treatment. Water resistant to 600M. Black rubber strap with contrasting stitching and anti-bacterial treatment on the lining.