Omega Seamaster Railmaster Omega Co-Axial Master Chronometer Watch - 40 mm Steel Case - Vertically Brushed Black Dial - Two-Tone Grey Coated Nylon Fabric Strap - 220.12.40.20.01.001 Barrel-Shaped Case material: Platinum

Case material: Platinum

black dial with diamond hour markers

Royal Oak hands with luminescent coating

silvered and snailed opaline dial with black transferred Roman numerals

Omega Seamaster Railmaster Omega Co-Axial Master Chronometer Watch - 40 mm Steel Case - Vertically Brushed Black Dial - Two-Tone Grey Coated Nylon Fabric Strap - 220.12.40.20.01.001 Barrel-Shaped Case material: Platinum40 mm stainless steel case, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, vertically brushed black 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, two tone grey coated nylon fabric strap. Water resistant to 150 m (500 ft).