Omega Speedmaster Mark II Co-Axial Chronograph Watch - 42.4 mm Barrel-Shaped Polished And Brushed Steel Case - Grey Dial - Steel Bracelet - 327.10.43.50.06.001 IW459402 silver dial with Roman numerals

silver dial with Roman numerals and index hour markers

silver dial

Please note

black dial with 18K white gold hands coated in white Super-LumiNova

Omega Speedmaster Mark II Co-Axial Chronograph Watch - 42.4 mm Barrel-Shaped Polished And Brushed Steel Case - Grey Dial - Steel Bracelet - 327.10.43.50.06.001 IW459402 silver dial with Roman numerals42. 4 mm x 46. 2 mm barrel shaped polished and brushed stainless steel case, caseback engraved with the Seahorse medallion, flat scratch resistant sapphire crystal with anti reflective treatment both sides, grey dial with fluorescent orange central chronograph seconds hand and a matching minute track, self winding chronometer Omega 3330 movement with chronograph, small seconds, and date, approximately 52 hours of power reserve, stainless steel