Omega Seamaster Railmaster Omega Co-Axial Master Chronometer Watch - 40 mm Steel Case - Vertically Brushed Black Dial - 220.10.40.20.01.001 Domed unidirectional rotating bezel with a

unidirectional rotating bezel with a Ceragold™ diving scale

24 mm 18K red gold case

astronomical moon

stainless steel and red gold bracelet

champagne dial with silk-like pattern and scratch-resistant sapphire crystal

Omega Seamaster Railmaster Omega Co-Axial Master Chronometer Watch - 40 mm Steel Case - Vertically Brushed Black Dial - 220.10.40.20.01.001 Domed unidirectional rotating bezel with a40 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, stainless steel bracelet. Water resistant to 150 m (500 ft).