Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Chronograph Watch - 45.5 mm Sedna Gold And Steel Case - Unidirectional Blue Ceramic Bezel - Blue Ceramic Dial - Blue Leather Strap - 215.23.46.51.03.001 Dual this Black Bay GMT lends

this Black Bay GMT lends a new color code to the classic model

43 mm sedna gold case with anti-magnetic protection

domed opaline 950 platinum dial with a small seconds subdial at 6 o’clock

column wheel mechanism

ceramic bezel with tachymeter scale in white Super-LumiNova

Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Chronograph Watch - 45.5 mm Sedna Gold And Steel Case - Unidirectional Blue Ceramic Bezel - Blue Ceramic Dial - Blue Leather Strap - 215.23.46.51.03.001 Dual this Black Bay GMT lends45. 5 mm 18K Sedna gold and stainless steel case with anti magnetic properties and helium escape valve, transparent back, screw in crown, unidirectional rotating blue ceramic bezel with Ceragold diving scale, scratch resistant sapphire crystal, blue 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 master