235.10.38.20.13.001Ref

The Omega Railmaster 235.10.38.20.13.001 updates the 1957 original for railway personnel, using a 38mm brushed-and-polished steel case (44.92mm lug-to-lug, 12.36mm thick) with domed anti-reflective sapphire and 150m water resistance. It comes on an integrated steel bracelet with comfort adjustment and has a brown-to-black gradient dial, vintage Super-LumiNova, and a small seconds at 6 with a beige varnished hand. Power is the self-winding Master Chronometer Calibre 8804 (~55h, METAS, 15,000 gauss) visible through a sapphire caseback.