Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Chronograph Watch - 45.5 mm Steel Case - Unidirectional Black Ceramic Bezel - Black Ceramic Dial - Black Structured Rubber Strap - 215.32.46.51.01.001 constellation 18K white gold buckle

18K white gold buckle

44mm 18K white gold case

Calibre Omega 8421 self-winding co-axial chronometer movement

Calibre Omega 8801 self-winding co-axial master chronometer movement with date

Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Chronograph Watch - 45.5 mm Steel Case - Unidirectional Black Ceramic Bezel - Black Ceramic Dial - Black Structured Rubber Strap - 215.32.46.51.01.001 constellation 18K white gold buckle45. 5 mm stainless steel case with anti magnetic properties and helium escape valve, transparent back, screw in crown, unidirectional rotating black ceramic bezel with orange rubber and Liquidmetal diving scale, scratch resistant sapphire crystal, black ceramic dial with Arabic numerals and a date window at the 6 oclock position, small seconds sub dial, as well as 60 minute and 12 hour counters on one dial, caliber Omega 9900 self winding Co Axial