Omega Style No: 215.90.44.21.99.001 Omega Seamaster Planet Ocean 600 M Co-Axial Master Chronometer Watch - 43.5 mm Titanium Case - Unidirectional Grey Ceramic Bezel - Grade 5 Titanium Dial

43.5 mm titanium case with anti-magnetic properties, transparent back, screw-in crown, unidirectional rotating grey ceramic bezel with grey silicon nitride and Liquidmetal diving scale, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, sand-blasted grade 5 titanium dial with orange Arabic numerals, caliber 8900 self-winding master co-axial chronometer movement with date window at the 3 o’clock, approximately 60 hours of power reserve, titanium bracelet. Water resistant to 600 m (2000 ft).