Omega Seamaster 40mm 22010402001001

This updated Railmaster model features a 40mm symmetrical stainless steel case with a wave-edged design on the back. The black, vertically brushed dial includes recessed hour-markers filled with “vintage” Super-LumiNova and a transferred beige “Railmaster” indication. The fully brushed integrated stainless steel bracelet features a NAIAD LOCK design (patent pending). Powered by the OMEGA Co-Axial Master Chronometer Calibre 8806, certified at the industry’s highest standard by the Swiss Federal Institute of Metrology (METAS) and able to resist magnetism of 15,000 gauss.