Omega Seamaster Planet Ocean 600 M Co-Axial Master Chronometer GMT Watch - 43.5 mm Steel Case - Bi-Directional Bezel - Black Ceramic Dial - 215.30.44.22.01.001 engagement-ring blue ceramic dial with hands

blue ceramic dial with hands and indexes in 18K white gold with a white Super-LumiNova coating

steel interchangeable bracelet

caliber 9901 self-winding Co-Axial master chronometer movement with chronograph and date functions

27 mm stainless steel and 18K red gold case

Reference #- H70555533

Omega Seamaster Planet Ocean 600 M Co-Axial Master Chronometer GMT Watch - 43.5 mm Steel Case - Bi-Directional Bezel - Black Ceramic Dial - 215.30.44.22.01.001 engagement-ring blue ceramic dial with hands43. 5 mm stainless steel case with helium escape valve, transparent back, screw in crown, bi directional rotating bezel with polished bi ceramic black and white insert, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, black ceramic dial with Arabic numerals, caliber 8906 Self winding chronometer movement with Co Axial escapement and GMT time zone function, approximately 60 hours of power reserve, stainless steel