Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Chronograph Watch - 45.5 mm Titanium Case - Unidirectional Grey Silicon Nitride Ceramic Bezel - Grade 5 Titanium Dial - 215.90.46.51.99.001

45.5 mm titanium case with anti-magnetic properties and helium escape valve, transparent back, screw-in crown, unidirectional rotating grey silicon nitride ceramic bezel with orange rubber and Liquidmetal diving scale, scratch-resistant sapphire crystal, sand-blasted grade 5 titanium dial with Arabic numerals and a date window at the 6 o’clock position, small seconds sub-dial, as well as 60-minute and 12-hour counters on one dial, caliber Omega 9900 self-winding Co-Axial master chronometer movement with chronograph function, approximately 60 hours of power reserve, titanium bracelet, extendable foldover buckle. Water resistant to 600 m (2000 ft).