Omega Style No: 215.30.40.20.04.001 Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional White Cermaic Bezel - White Dial

39.5 mm stainless steel case with helium escape valve, transparent screw-in back, screw-in crown, unidirectional rotating white cermaic bezel with Ceragold diving scale, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, white dial with Arabic numerals and a date window at the 3 o’clock, caliber 8800 self-winding Co-Axial chronometer movement with date function, approximately 55 hours of power reserve, stainless steel bracelet. Water resistant to 600 m (2000 ft).