Omega Seamaster Railmaster Omega Co-Axial Master Chronometer Watch - 40 mm Steel Case - Vertically Brushed Grey Dial - Brown Leather Nato Strap - 220.12.40.20.06.001 Ingenieur brown shell dial with diamond

brown shell dial with diamond hour markers

echoing Rolex's dedication to timeless design and cutting-edge technology

41cts and 6 H-shaped titanium screws

silver dial set with 11 brilliant-cut diamonds

The mint green dial

Omega Seamaster Railmaster Omega Co-Axial Master Chronometer Watch - 40 mm Steel Case - Vertically Brushed Grey Dial - Brown Leather Nato Strap - 220.12.40.20.06.001 Ingenieur brown shell dial with diamond40 mm stainless steel case, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, vertically brushed grey dial with brushded stainless steel hands and recess hour markers filled with vintage color Super LumiNova, caliber 8806 self winding Co Axial master chronometer movement, approximately 55 hours of power reserve, brown leather NATO strap. Water resistant to 150 m (500 ft).