OMEGA Seamaster Railmaster

The Omega Seamaster Railmaster, reference 235.10.38.20.06.001, is a steel watch with a 38 mm case. It measures 12.36 mm thick with a lug-to-lug span of 44.92 mm. The domed sapphire crystal has anti-reflective treatment on both sides. Inside is the self-winding calibre 8806, a Master Chronometer movement certified by METAS and resistant to magnetic fields up to 15,000 gauss, with a free sprung-balance and silicon balance spring. Power reserve runs to 55 hours. The screw-in crown and transparent caseback are set against a grey dial, and the watch is fitted on a steel bracelet with a foldover butterfly clasp with comfort setting. This clasp helps secure a case rated to 150 metres.